29530280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 72349200

約数和(自身を除く): 42818920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 521, 545, 872, 1042, 1090, 1417, 2084, 2180, 2605, 2834, 4168, 4360, 5210, 5668, 6773, 7085, 10420, 11336, 13546, 14170, 20840, 27092, 28340, 33865, 54184, 56680, 56789, 67730, 113578, 135460, 227156, 270920, 283945, 454312, 567890, 738257, 1135780, 1476514, 2271560, 2953028, 3691285, 5906056, 7382570, 14765140, 29530280]

約数ペア:

[(1, 29530280), (2, 14765140), (4, 7382570), (5, 5906056), (8, 3691285), (10, 2953028), (13, 2271560), (20, 1476514), (26, 1135780), (40, 738257), (52, 567890), (65, 454312), (104, 283945), (109, 270920), (130, 227156), (218, 135460), (260, 113578), (436, 67730), (520, 56789), (521, 56680), (545, 54184), (872, 33865), (1042, 28340), (1090, 27092), (1417, 20840), (2084, 14170), (2180, 13546), (2605, 11336), (2834, 10420), (4168, 7085), (4360, 6773), (5210, 5668)]