311293360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1429}}^1$

素因数の和:1838

約数の個数: 80

約数和(自身を含む): 829857600

約数和(自身を除く): 518564240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 778, 1429, 1556, 1945, 2723, 2858, 3112, 3890, 5446, 5716, 6224, 7145, 7780, 10003, 10892, 11432, 13615, 14290, 15560, 20006, 21784, 22864, 27230, 28580, 31120, 40012, 43568, 50015, 54460, 57160, 80024, 100030, 108920, 114320, 160048, 200060, 217840, 400120, 555881, 800240, 1111762, 2223524, 2779405, 3891167, 4447048, 5558810, 7782334, 8894096, 11117620, 15564668, 19455835, 22235240, 31129336, 38911670, 44470480, 62258672, 77823340, 155646680, 311293360]

約数ペア:

[(1, 311293360), (2, 155646680), (4, 77823340), (5, 62258672), (7, 44470480), (8, 38911670), (10, 31129336), (14, 22235240), (16, 19455835), (20, 15564668), (28, 11117620), (35, 8894096), (40, 7782334), (56, 5558810), (70, 4447048), (80, 3891167), (112, 2779405), (140, 2223524), (280, 1111762), (389, 800240), (560, 555881), (778, 400120), (1429, 217840), (1556, 200060), (1945, 160048), (2723, 114320), (2858, 108920), (3112, 100030), (3890, 80024), (5446, 57160), (5716, 54460), (6224, 50015), (7145, 43568), (7780, 40012), (10003, 31120), (10892, 28580), (11432, 27230), (13615, 22864), (14290, 21784), (15560, 20006)]