1640348090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 3353011200

約数和(自身を除く): 1712663110

約数列:

[1, 2, 5, 10, 19, 38, 41, 43, 59, 82, 83, 86, 95, 118, 166, 190, 205, 215, 295, 410, 415, 430, 590, 779, 817, 830, 1121, 1558, 1577, 1634, 1763, 2242, 2419, 2537, 3154, 3403, 3526, 3569, 3895, 4085, 4838, 4897, 5074, 5605, 6806, 7138, 7790, 7885, 8170, 8815, 9794, 11210, 12095, 12685, 15770, 17015, 17630, 17845, 24190, 24485, 25370, 33497, 34030, 35690, 45961, 48203, 48970, 64657, 66994, 67811, 91922, 93043, 96406, 104017, 129314, 135622, 146329, 167485, 186086, 200777, 208034, 210571, 229805, 241015, 292658, 323285, 334970, 339055, 401554, 421142, 459610, 465215, 482030, 520085, 646570, 678110, 731645, 930430, 1003885, 1040170, 1052855, 1463290, 1976323, 2007770, 2105710, 2780251, 3814763, 3952646, 4000849, 5560502, 7629526, 8001698, 8633411, 9881615, 13901255, 17266822, 19073815, 19763230, 20004245, 27802510, 38147630, 40008490, 43167055, 86334110, 164034809, 328069618, 820174045, 1640348090]

約数ペア:

[(1, 1640348090), (2, 820174045), (5, 328069618), (10, 164034809), (19, 86334110), (38, 43167055), (41, 40008490), (43, 38147630), (59, 27802510), (82, 20004245), (83, 19763230), (86, 19073815), (95, 17266822), (118, 13901255), (166, 9881615), (190, 8633411), (205, 8001698), (215, 7629526), (295, 5560502), (410, 4000849), (415, 3952646), (430, 3814763), (590, 2780251), (779, 2105710), (817, 2007770), (830, 1976323), (1121, 1463290), (1558, 1052855), (1577, 1040170), (1634, 1003885), (1763, 930430), (2242, 731645), (2419, 678110), (2537, 646570), (3154, 520085), (3403, 482030), (3526, 465215), (3569, 459610), (3895, 421142), (4085, 401554), (4838, 339055), (4897, 334970), (5074, 323285), (5605, 292658), (6806, 241015), (7138, 229805), (7790, 210571), (7885, 208034), (8170, 200777), (8815, 186086), (9794, 167485), (11210, 146329), (12095, 135622), (12685, 129314), (15770, 104017), (17015, 96406), (17630, 93043), (17845, 91922), (24190, 67811), (24485, 66994), (25370, 64657), (33497, 48970), (34030, 48203), (35690, 45961)]