42302590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 87480000

約数和(自身を除く): 45177410

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 89, 110, 145, 149, 178, 290, 298, 319, 445, 638, 745, 890, 979, 1490, 1595, 1639, 1958, 2581, 3190, 3278, 4321, 4895, 5162, 8195, 8642, 9790, 12905, 13261, 16390, 21605, 25810, 26522, 28391, 43210, 47531, 56782, 66305, 95062, 132610, 141955, 145871, 237655, 283910, 291742, 384569, 475310, 729355, 769138, 1458710, 1922845, 3845690, 4230259, 8460518, 21151295, 42302590]

約数ペア:

[(1, 42302590), (2, 21151295), (5, 8460518), (10, 4230259), (11, 3845690), (22, 1922845), (29, 1458710), (55, 769138), (58, 729355), (89, 475310), (110, 384569), (145, 291742), (149, 283910), (178, 237655), (290, 145871), (298, 141955), (319, 132610), (445, 95062), (638, 66305), (745, 56782), (890, 47531), (979, 43210), (1490, 28391), (1595, 26522), (1639, 25810), (1958, 21605), (2581, 16390), (3190, 13261), (3278, 12905), (4321, 9790), (4895, 8642), (5162, 8195)]