389156920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{613}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 895212000

約数和(自身を除く): 506055080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 269, 295, 472, 538, 590, 613, 1076, 1180, 1226, 1345, 2152, 2360, 2452, 2690, 3065, 4904, 5380, 6130, 10760, 12260, 15871, 24520, 31742, 36167, 63484, 72334, 79355, 126968, 144668, 158710, 164897, 180835, 289336, 317420, 329794, 361670, 634840, 659588, 723340, 824485, 1319176, 1446680, 1648970, 3297940, 6595880, 9728923, 19457846, 38915692, 48644615, 77831384, 97289230, 194578460, 389156920]

約数ペア:

[(1, 389156920), (2, 194578460), (4, 97289230), (5, 77831384), (8, 48644615), (10, 38915692), (20, 19457846), (40, 9728923), (59, 6595880), (118, 3297940), (236, 1648970), (269, 1446680), (295, 1319176), (472, 824485), (538, 723340), (590, 659588), (613, 634840), (1076, 361670), (1180, 329794), (1226, 317420), (1345, 289336), (2152, 180835), (2360, 164897), (2452, 158710), (2690, 144668), (3065, 126968), (4904, 79355), (5380, 72334), (6130, 63484), (10760, 36167), (12260, 31742), (15871, 24520)]