148598740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 318536064

約数和(自身を除く): 169937324

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 227, 284, 355, 454, 461, 710, 908, 922, 1135, 1420, 1844, 2270, 2305, 4540, 4610, 9220, 16117, 32234, 32731, 64468, 65462, 80585, 104647, 130924, 161170, 163655, 209294, 322340, 327310, 418588, 523235, 654620, 1046470, 2092940, 7429937, 14859874, 29719748, 37149685, 74299370, 148598740]

約数ペア:

[(1, 148598740), (2, 74299370), (4, 37149685), (5, 29719748), (10, 14859874), (20, 7429937), (71, 2092940), (142, 1046470), (227, 654620), (284, 523235), (355, 418588), (454, 327310), (461, 322340), (710, 209294), (908, 163655), (922, 161170), (1135, 130924), (1420, 104647), (1844, 80585), (2270, 65462), (2305, 64468), (4540, 32731), (4610, 32234), (9220, 16117)]