401331320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7213}}^1$

素因数の和:7344

約数の個数: 64

約数和(自身を含む): 981681120

約数和(自身を除く): 580349800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 4280, 5564, 6955, 7213, 11128, 13910, 14426, 27820, 28852, 36065, 55640, 57704, 72130, 93769, 144260, 187538, 288520, 375076, 468845, 750152, 771791, 937690, 1543582, 1875380, 3087164, 3750760, 3858955, 6174328, 7717910, 10033283, 15435820, 20066566, 30871640, 40133132, 50166415, 80266264, 100332830, 200665660, 401331320]

約数ペア:

[(1, 401331320), (2, 200665660), (4, 100332830), (5, 80266264), (8, 50166415), (10, 40133132), (13, 30871640), (20, 20066566), (26, 15435820), (40, 10033283), (52, 7717910), (65, 6174328), (104, 3858955), (107, 3750760), (130, 3087164), (214, 1875380), (260, 1543582), (428, 937690), (520, 771791), (535, 750152), (856, 468845), (1070, 375076), (1391, 288520), (2140, 187538), (2782, 144260), (4280, 93769), (5564, 72130), (6955, 57704), (7213, 55640), (11128, 36065), (13910, 28852), (14426, 27820)]