820239000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 256

約数和(自身を含む): 2956262400

約数和(自身を除く): 2136023400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 139, 140, 150, 168, 175, 200, 210, 250, 278, 280, 281, 300, 350, 375, 417, 420, 500, 525, 556, 562, 600, 695, 700, 750, 834, 840, 843, 875, 973, 1000, 1050, 1112, 1124, 1390, 1400, 1405, 1500, 1668, 1686, 1750, 1946, 1967, 2085, 2100, 2248, 2625, 2780, 2810, 2919, 3000, 3336, 3372, 3475, 3500, 3892, 3934, 4170, 4200, 4215, 4865, 5250, 5560, 5620, 5838, 5901, 6744, 6950, 7000, 7025, 7784, 7868, 8340, 8430, 9730, 9835, 10425, 10500, 11240, 11676, 11802, 13900, 14050, 14595, 15736, 16680, 16860, 17375, 19460, 19670, 20850, 21000, 21075, 23352, 23604, 24325, 27800, 28100, 29190, 29505, 33720, 34750, 35125, 38920, 39059, 39340, 41700, 42150, 47208, 48650, 49175, 52125, 56200, 58380, 59010, 69500, 70250, 72975, 78118, 78680, 83400, 84300, 97300, 98350, 104250, 105375, 116760, 117177, 118020, 121625, 139000, 140500, 145950, 147525, 156236, 168600, 194600, 195295, 196700, 208500, 210750, 234354, 236040, 243250, 245875, 273413, 281000, 291900, 295050, 312472, 364875, 390590, 393400, 417000, 421500, 468708, 486500, 491750, 546826, 583800, 585885, 590100, 729750, 737625, 781180, 820239, 843000, 937416, 973000, 976475, 983500, 1093652, 1171770, 1180200, 1367065, 1459500, 1475250, 1562360, 1640478, 1952950, 1967000, 2187304, 2343540, 2734130, 2919000, 2929425, 2950500, 3280956, 3905900, 4101195, 4687080, 4882375, 5468260, 5858850, 5901000, 6561912, 6835325, 7811800, 8202390, 9764750, 10936520, 11717700, 13670650, 14647125, 16404780, 19529500, 20505975, 23435400, 27341300, 29294250, 32809560, 34176625, 39059000, 41011950, 54682600, 58588500, 68353250, 82023900, 102529875, 117177000, 136706500, 164047800, 205059750, 273413000, 410119500, 820239000]

約数ペア:

[(1, 820239000), (2, 410119500), (3, 273413000), (4, 205059750), (5, 164047800), (6, 136706500), (7, 117177000), (8, 102529875), (10, 82023900), (12, 68353250), (14, 58588500), (15, 54682600), (20, 41011950), (21, 39059000), (24, 34176625), (25, 32809560), (28, 29294250), (30, 27341300), (35, 23435400), (40, 20505975), (42, 19529500), (50, 16404780), (56, 14647125), (60, 13670650), (70, 11717700), (75, 10936520), (84, 9764750), (100, 8202390), (105, 7811800), (120, 6835325), (125, 6561912), (139, 5901000), (140, 5858850), (150, 5468260), (168, 4882375), (175, 4687080), (200, 4101195), (210, 3905900), (250, 3280956), (278, 2950500), (280, 2929425), (281, 2919000), (300, 2734130), (350, 2343540), (375, 2187304), (417, 1967000), (420, 1952950), (500, 1640478), (525, 1562360), (556, 1475250), (562, 1459500), (600, 1367065), (695, 1180200), (700, 1171770), (750, 1093652), (834, 983500), (840, 976475), (843, 973000), (875, 937416), (973, 843000), (1000, 820239), (1050, 781180), (1112, 737625), (1124, 729750), (1390, 590100), (1400, 585885), (1405, 583800), (1500, 546826), (1668, 491750), (1686, 486500), (1750, 468708), (1946, 421500), (1967, 417000), (2085, 393400), (2100, 390590), (2248, 364875), (2625, 312472), (2780, 295050), (2810, 291900), (2919, 281000), (3000, 273413), (3336, 245875), (3372, 243250), (3475, 236040), (3500, 234354), (3892, 210750), (3934, 208500), (4170, 196700), (4200, 195295), (4215, 194600), (4865, 168600), (5250, 156236), (5560, 147525), (5620, 145950), (5838, 140500), (5901, 139000), (6744, 121625), (6950, 118020), (7000, 117177), (7025, 116760), (7784, 105375), (7868, 104250), (8340, 98350), (8430, 97300), (9730, 84300), (9835, 83400), (10425, 78680), (10500, 78118), (11240, 72975), (11676, 70250), (11802, 69500), (13900, 59010), (14050, 58380), (14595, 56200), (15736, 52125), (16680, 49175), (16860, 48650), (17375, 47208), (19460, 42150), (19670, 41700), (20850, 39340), (21000, 39059), (21075, 38920), (23352, 35125), (23604, 34750), (24325, 33720), (27800, 29505), (28100, 29190)]