140121905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 225607680

約数和(自身を除く): 85485775

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 79, 85, 119, 187, 271, 385, 395, 553, 595, 869, 935, 1309, 1343, 1355, 1897, 2765, 2981, 4345, 4607, 6083, 6545, 6715, 9401, 9485, 14773, 14905, 20867, 21409, 23035, 30415, 32249, 47005, 50677, 73865, 103411, 104335, 107045, 149863, 161245, 235499, 253385, 354739, 363953, 517055, 749315, 1177495, 1648493, 1773695, 1819765, 2547671, 4003483, 8242465, 12738355, 20017415, 28024381, 140121905]

約数ペア:

[(1, 140121905), (5, 28024381), (7, 20017415), (11, 12738355), (17, 8242465), (35, 4003483), (55, 2547671), (77, 1819765), (79, 1773695), (85, 1648493), (119, 1177495), (187, 749315), (271, 517055), (385, 363953), (395, 354739), (553, 253385), (595, 235499), (869, 161245), (935, 149863), (1309, 107045), (1343, 104335), (1355, 103411), (1897, 73865), (2765, 50677), (2981, 47005), (4345, 32249), (4607, 30415), (6083, 23035), (6545, 21409), (6715, 20867), (9401, 14905), (9485, 14773)]