2019921800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^3\times {\mathrm{4597}}^1$

素因数の和:4652

約数の個数: 96

約数和(自身を含む): 5088606600

約数和(自身を除く): 3068684800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2197, 2600, 3380, 4225, 4394, 4597, 6760, 8450, 8788, 9194, 10985, 16900, 17576, 18388, 21970, 22985, 33800, 36776, 43940, 45970, 54925, 59761, 87880, 91940, 109850, 114925, 119522, 183880, 219700, 229850, 239044, 298805, 439400, 459700, 478088, 597610, 776893, 919400, 1195220, 1494025, 1553786, 2390440, 2988050, 3107572, 3884465, 5976100, 6215144, 7768930, 10099609, 11952200, 15537860, 19422325, 20199218, 31075720, 38844650, 40398436, 50498045, 77689300, 80796872, 100996090, 155378600, 201992180, 252490225, 403984360, 504980450, 1009960900, 2019921800]

約数ペア:

[(1, 2019921800), (2, 1009960900), (4, 504980450), (5, 403984360), (8, 252490225), (10, 201992180), (13, 155378600), (20, 100996090), (25, 80796872), (26, 77689300), (40, 50498045), (50, 40398436), (52, 38844650), (65, 31075720), (100, 20199218), (104, 19422325), (130, 15537860), (169, 11952200), (200, 10099609), (260, 7768930), (325, 6215144), (338, 5976100), (520, 3884465), (650, 3107572), (676, 2988050), (845, 2390440), (1300, 1553786), (1352, 1494025), (1690, 1195220), (2197, 919400), (2600, 776893), (3380, 597610), (4225, 478088), (4394, 459700), (4597, 439400), (6760, 298805), (8450, 239044), (8788, 229850), (9194, 219700), (10985, 183880), (16900, 119522), (17576, 114925), (18388, 109850), (21970, 91940), (22985, 87880), (33800, 59761), (36776, 54925), (43940, 45970)]