385389680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 969312960

約数和(自身を除く): 583923280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 263, 520, 526, 1040, 1052, 1315, 1409, 2104, 2630, 2818, 3419, 4208, 5260, 5636, 6838, 7045, 10520, 11272, 13676, 14090, 17095, 18317, 21040, 22544, 27352, 28180, 34190, 36634, 54704, 56360, 68380, 73268, 91585, 112720, 136760, 146536, 183170, 273520, 293072, 366340, 370567, 732680, 741134, 1465360, 1482268, 1852835, 2964536, 3705670, 4817371, 5929072, 7411340, 9634742, 14822680, 19269484, 24086855, 29645360, 38538968, 48173710, 77077936, 96347420, 192694840, 385389680]

約数ペア:

[(1, 385389680), (2, 192694840), (4, 96347420), (5, 77077936), (8, 48173710), (10, 38538968), (13, 29645360), (16, 24086855), (20, 19269484), (26, 14822680), (40, 9634742), (52, 7411340), (65, 5929072), (80, 4817371), (104, 3705670), (130, 2964536), (208, 1852835), (260, 1482268), (263, 1465360), (520, 741134), (526, 732680), (1040, 370567), (1052, 366340), (1315, 293072), (1409, 273520), (2104, 183170), (2630, 146536), (2818, 136760), (3419, 112720), (4208, 91585), (5260, 73268), (5636, 68380), (6838, 56360), (7045, 54704), (10520, 36634), (11272, 34190), (13676, 28180), (14090, 27352), (17095, 22544), (18317, 21040)]