214917710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 454616064

約数和(自身を除く): 239698354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 83, 142, 166, 355, 415, 497, 521, 581, 710, 830, 994, 1042, 1162, 2485, 2605, 2905, 3647, 4970, 5210, 5810, 5893, 7294, 11786, 18235, 29465, 36470, 36991, 41251, 43243, 58930, 73982, 82502, 86486, 184955, 206255, 216215, 258937, 302701, 369910, 412510, 432430, 517874, 605402, 1294685, 1513505, 2589370, 3027010, 3070253, 6140506, 15351265, 21491771, 30702530, 42983542, 107458855, 214917710]

約数ペア:

[(1, 214917710), (2, 107458855), (5, 42983542), (7, 30702530), (10, 21491771), (14, 15351265), (35, 6140506), (70, 3070253), (71, 3027010), (83, 2589370), (142, 1513505), (166, 1294685), (355, 605402), (415, 517874), (497, 432430), (521, 412510), (581, 369910), (710, 302701), (830, 258937), (994, 216215), (1042, 206255), (1162, 184955), (2485, 86486), (2605, 82502), (2905, 73982), (3647, 58930), (4970, 43243), (5210, 41251), (5810, 36991), (5893, 36470), (7294, 29465), (11786, 18235)]