1901631200

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 216

約数和(自身を含む): 5454729000

約数和(自身を除く): 3553097800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 139, 140, 160, 175, 196, 200, 224, 245, 278, 280, 349, 350, 392, 400, 490, 556, 560, 695, 698, 700, 784, 800, 973, 980, 1112, 1120, 1225, 1390, 1396, 1400, 1568, 1745, 1946, 1960, 2224, 2443, 2450, 2780, 2792, 2800, 3475, 3490, 3892, 3920, 4448, 4865, 4886, 4900, 5560, 5584, 5600, 6811, 6950, 6980, 7784, 7840, 8725, 9730, 9772, 9800, 11120, 11168, 12215, 13622, 13900, 13960, 15568, 17101, 17450, 19460, 19544, 19600, 22240, 24325, 24430, 27244, 27800, 27920, 31136, 34055, 34202, 34900, 38920, 39088, 39200, 48511, 48650, 48860, 54488, 55600, 55840, 61075, 68110, 68404, 69800, 77840, 78176, 85505, 97022, 97300, 97720, 108976, 111200, 122150, 136220, 136808, 139600, 155680, 170275, 171010, 194044, 194600, 195440, 217952, 242555, 244300, 272440, 273616, 279200, 339577, 340550, 342020, 388088, 389200, 390880, 427525, 485110, 488600, 544880, 547232, 679154, 681100, 684040, 776176, 778400, 855050, 970220, 977200, 1089760, 1212775, 1358308, 1362200, 1368080, 1552352, 1697885, 1710100, 1940440, 1954400, 2377039, 2425550, 2716616, 2724400, 2736160, 3395770, 3420200, 3880880, 4754078, 4851100, 5433232, 5448800, 6791540, 6840400, 7761760, 8489425, 9508156, 9702200, 10866464, 11885195, 13583080, 13680800, 16978850, 19016312, 19404400, 23770390, 27166160, 33957700, 38032624, 38808800, 47540780, 54332320, 59425975, 67915400, 76065248, 95081560, 118851950, 135830800, 190163120, 237703900, 271661600, 380326240, 475407800, 950815600, 1901631200]

約数ペア:

[(1, 1901631200), (2, 950815600), (4, 475407800), (5, 380326240), (7, 271661600), (8, 237703900), (10, 190163120), (14, 135830800), (16, 118851950), (20, 95081560), (25, 76065248), (28, 67915400), (32, 59425975), (35, 54332320), (40, 47540780), (49, 38808800), (50, 38032624), (56, 33957700), (70, 27166160), (80, 23770390), (98, 19404400), (100, 19016312), (112, 16978850), (139, 13680800), (140, 13583080), (160, 11885195), (175, 10866464), (196, 9702200), (200, 9508156), (224, 8489425), (245, 7761760), (278, 6840400), (280, 6791540), (349, 5448800), (350, 5433232), (392, 4851100), (400, 4754078), (490, 3880880), (556, 3420200), (560, 3395770), (695, 2736160), (698, 2724400), (700, 2716616), (784, 2425550), (800, 2377039), (973, 1954400), (980, 1940440), (1112, 1710100), (1120, 1697885), (1225, 1552352), (1390, 1368080), (1396, 1362200), (1400, 1358308), (1568, 1212775), (1745, 1089760), (1946, 977200), (1960, 970220), (2224, 855050), (2443, 778400), (2450, 776176), (2780, 684040), (2792, 681100), (2800, 679154), (3475, 547232), (3490, 544880), (3892, 488600), (3920, 485110), (4448, 427525), (4865, 390880), (4886, 389200), (4900, 388088), (5560, 342020), (5584, 340550), (5600, 339577), (6811, 279200), (6950, 273616), (6980, 272440), (7784, 244300), (7840, 242555), (8725, 217952), (9730, 195440), (9772, 194600), (9800, 194044), (11120, 171010), (11168, 170275), (12215, 155680), (13622, 139600), (13900, 136808), (13960, 136220), (15568, 122150), (17101, 111200), (17450, 108976), (19460, 97720), (19544, 97300), (19600, 97022), (22240, 85505), (24325, 78176), (24430, 77840), (27244, 69800), (27800, 68404), (27920, 68110), (31136, 61075), (34055, 55840), (34202, 55600), (34900, 54488), (38920, 48860), (39088, 48650), (39200, 48511)]