1999215900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2389

約数の個数: 216

約数和(自身を含む): 6915963600

約数和(自身を除く): 4916747700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 89, 90, 99, 100, 110, 132, 150, 165, 178, 180, 198, 220, 225, 267, 275, 300, 330, 356, 396, 445, 450, 495, 534, 550, 660, 801, 825, 890, 900, 979, 990, 1068, 1100, 1335, 1602, 1650, 1780, 1958, 1980, 2225, 2269, 2475, 2670, 2937, 3204, 3300, 3916, 4005, 4450, 4538, 4895, 4950, 5340, 5874, 6675, 6807, 8010, 8811, 8900, 9076, 9790, 9900, 11345, 11748, 13350, 13614, 14685, 16020, 17622, 19580, 20025, 20421, 22690, 24475, 24959, 26700, 27228, 29370, 34035, 35244, 40050, 40842, 44055, 45380, 48950, 49918, 56725, 58740, 68070, 73425, 74877, 80100, 81684, 88110, 97900, 99836, 102105, 113450, 124795, 136140, 146850, 149754, 170175, 176220, 201941, 204210, 220275, 224631, 226900, 249590, 293700, 299508, 340350, 374385, 403882, 408420, 440550, 449262, 499180, 510525, 605823, 623975, 680700, 748770, 807764, 881100, 898524, 1009705, 1021050, 1123155, 1211646, 1247950, 1497540, 1817469, 1871925, 2019410, 2042100, 2221351, 2246310, 2423292, 2495900, 3029115, 3634938, 3743850, 4038820, 4442702, 4492620, 5048525, 5615775, 6058230, 6664053, 7269876, 7487700, 8885404, 9087345, 10097050, 11106755, 11231550, 12116460, 13328106, 15145575, 18174690, 19992159, 20194100, 22213510, 22463100, 26656212, 30291150, 33320265, 36349380, 39984318, 44427020, 45436725, 55533775, 60582300, 66640530, 79968636, 90873450, 99960795, 111067550, 133281060, 166601325, 181746900, 199921590, 222135100, 333202650, 399843180, 499803975, 666405300, 999607950, 1999215900]

約数ペア:

[(1, 1999215900), (2, 999607950), (3, 666405300), (4, 499803975), (5, 399843180), (6, 333202650), (9, 222135100), (10, 199921590), (11, 181746900), (12, 166601325), (15, 133281060), (18, 111067550), (20, 99960795), (22, 90873450), (25, 79968636), (30, 66640530), (33, 60582300), (36, 55533775), (44, 45436725), (45, 44427020), (50, 39984318), (55, 36349380), (60, 33320265), (66, 30291150), (75, 26656212), (89, 22463100), (90, 22213510), (99, 20194100), (100, 19992159), (110, 18174690), (132, 15145575), (150, 13328106), (165, 12116460), (178, 11231550), (180, 11106755), (198, 10097050), (220, 9087345), (225, 8885404), (267, 7487700), (275, 7269876), (300, 6664053), (330, 6058230), (356, 5615775), (396, 5048525), (445, 4492620), (450, 4442702), (495, 4038820), (534, 3743850), (550, 3634938), (660, 3029115), (801, 2495900), (825, 2423292), (890, 2246310), (900, 2221351), (979, 2042100), (990, 2019410), (1068, 1871925), (1100, 1817469), (1335, 1497540), (1602, 1247950), (1650, 1211646), (1780, 1123155), (1958, 1021050), (1980, 1009705), (2225, 898524), (2269, 881100), (2475, 807764), (2670, 748770), (2937, 680700), (3204, 623975), (3300, 605823), (3916, 510525), (4005, 499180), (4450, 449262), (4538, 440550), (4895, 408420), (4950, 403882), (5340, 374385), (5874, 340350), (6675, 299508), (6807, 293700), (8010, 249590), (8811, 226900), (8900, 224631), (9076, 220275), (9790, 204210), (9900, 201941), (11345, 176220), (11748, 170175), (13350, 149754), (13614, 146850), (14685, 136140), (16020, 124795), (17622, 113450), (19580, 102105), (20025, 99836), (20421, 97900), (22690, 88110), (24475, 81684), (24959, 80100), (26700, 74877), (27228, 73425), (29370, 68070), (34035, 58740), (35244, 56725), (40050, 49918), (40842, 48950), (44055, 45380)]