199532840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1459}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 485654400

約数和(自身を除く): 286121560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 520, 526, 1052, 1315, 1459, 2104, 2630, 2918, 3419, 5260, 5836, 6838, 7295, 10520, 11672, 13676, 14590, 17095, 18967, 27352, 29180, 34190, 37934, 58360, 68380, 75868, 94835, 136760, 151736, 189670, 379340, 383717, 758680, 767434, 1534868, 1918585, 3069736, 3837170, 4988321, 7674340, 9976642, 15348680, 19953284, 24941605, 39906568, 49883210, 99766420, 199532840]

約数ペア:

[(1, 199532840), (2, 99766420), (4, 49883210), (5, 39906568), (8, 24941605), (10, 19953284), (13, 15348680), (20, 9976642), (26, 7674340), (40, 4988321), (52, 3837170), (65, 3069736), (104, 1918585), (130, 1534868), (260, 767434), (263, 758680), (520, 383717), (526, 379340), (1052, 189670), (1315, 151736), (1459, 136760), (2104, 94835), (2630, 75868), (2918, 68380), (3419, 58360), (5260, 37934), (5836, 34190), (6838, 29180), (7295, 27352), (10520, 18967), (11672, 17095), (13676, 14590)]