268981240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1459}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 662256000

約数和(自身を除く): 393274760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 419, 440, 838, 1459, 1676, 2095, 2918, 3352, 4190, 4609, 5836, 7295, 8380, 9218, 11672, 14590, 16049, 16760, 18436, 23045, 29180, 32098, 36872, 46090, 58360, 64196, 80245, 92180, 128392, 160490, 184360, 320980, 611321, 641960, 1222642, 2445284, 3056605, 4890568, 6113210, 6724531, 12226420, 13449062, 24452840, 26898124, 33622655, 53796248, 67245310, 134490620, 268981240]

約数ペア:

[(1, 268981240), (2, 134490620), (4, 67245310), (5, 53796248), (8, 33622655), (10, 26898124), (11, 24452840), (20, 13449062), (22, 12226420), (40, 6724531), (44, 6113210), (55, 4890568), (88, 3056605), (110, 2445284), (220, 1222642), (419, 641960), (440, 611321), (838, 320980), (1459, 184360), (1676, 160490), (2095, 128392), (2918, 92180), (3352, 80245), (4190, 64196), (4609, 58360), (5836, 46090), (7295, 36872), (8380, 32098), (9218, 29180), (11672, 23045), (14590, 18436), (16049, 16760)]