267623680

素因数分解:

$2^8\times 5^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 643860000

約数和(自身を除く): 376236320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 419, 499, 640, 838, 998, 1280, 1676, 1996, 2095, 2495, 3352, 3992, 4190, 4990, 6704, 7984, 8380, 9980, 13408, 15968, 16760, 19960, 26816, 31936, 33520, 39920, 53632, 63872, 67040, 79840, 107264, 127744, 134080, 159680, 209081, 268160, 319360, 418162, 536320, 638720, 836324, 1045405, 1672648, 2090810, 3345296, 4181620, 6690592, 8363240, 13381184, 16726480, 26762368, 33452960, 53524736, 66905920, 133811840, 267623680]

約数ペア:

[(1, 267623680), (2, 133811840), (4, 66905920), (5, 53524736), (8, 33452960), (10, 26762368), (16, 16726480), (20, 13381184), (32, 8363240), (40, 6690592), (64, 4181620), (80, 3345296), (128, 2090810), (160, 1672648), (256, 1045405), (320, 836324), (419, 638720), (499, 536320), (640, 418162), (838, 319360), (998, 268160), (1280, 209081), (1676, 159680), (1996, 134080), (2095, 127744), (2495, 107264), (3352, 79840), (3992, 67040), (4190, 63872), (4990, 53632), (6704, 39920), (7984, 33520), (8380, 31936), (9980, 26816), (13408, 19960), (15968, 16760)]