304401890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{7481}}^1$

素因数の和:7814

約数の個数: 32

約数和(自身を含む): 592035696

約数和(自身を除く): 287633806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 7481, 8138, 14962, 20345, 37405, 40690, 74810, 97253, 194506, 486265, 972530, 2341553, 4683106, 11707765, 23415530, 30440189, 60880378, 152200945, 304401890]

約数ペア:

[(1, 304401890), (2, 152200945), (5, 60880378), (10, 30440189), (13, 23415530), (26, 11707765), (65, 4683106), (130, 2341553), (313, 972530), (626, 486265), (1565, 194506), (3130, 97253), (4069, 74810), (7481, 40690), (8138, 37405), (14962, 20345)]