7943420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 17998848

約数和(自身を除く): 10055428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 383, 610, 766, 1037, 1220, 1532, 1915, 2074, 3830, 4148, 5185, 6511, 7660, 10370, 13022, 20740, 23363, 26044, 32555, 46726, 65110, 93452, 116815, 130220, 233630, 397171, 467260, 794342, 1588684, 1985855, 3971710, 7943420]

約数ペア:

[(1, 7943420), (2, 3971710), (4, 1985855), (5, 1588684), (10, 794342), (17, 467260), (20, 397171), (34, 233630), (61, 130220), (68, 116815), (85, 93452), (122, 65110), (170, 46726), (244, 32555), (305, 26044), (340, 23363), (383, 20740), (610, 13022), (766, 10370), (1037, 7660), (1220, 6511), (1532, 5185), (1915, 4148), (2074, 3830)]