78718420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 192761856

約数和(自身を除く): 114043436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 188, 220, 230, 235, 253, 331, 460, 470, 506, 517, 662, 940, 1012, 1034, 1081, 1265, 1324, 1655, 2068, 2162, 2530, 2585, 3310, 3641, 4324, 5060, 5170, 5405, 6620, 7282, 7613, 10340, 10810, 11891, 14564, 15226, 15557, 18205, 21620, 23782, 30452, 31114, 36410, 38065, 47564, 59455, 62228, 72820, 76130, 77785, 83743, 118910, 152260, 155570, 167486, 171127, 237820, 311140, 334972, 342254, 357811, 418715, 684508, 715622, 837430, 855635, 1431244, 1674860, 1711270, 1789055, 3422540, 3578110, 3935921, 7156220, 7871842, 15743684, 19679605, 39359210, 78718420]

約数ペア:

[(1, 78718420), (2, 39359210), (4, 19679605), (5, 15743684), (10, 7871842), (11, 7156220), (20, 3935921), (22, 3578110), (23, 3422540), (44, 1789055), (46, 1711270), (47, 1674860), (55, 1431244), (92, 855635), (94, 837430), (110, 715622), (115, 684508), (188, 418715), (220, 357811), (230, 342254), (235, 334972), (253, 311140), (331, 237820), (460, 171127), (470, 167486), (506, 155570), (517, 152260), (662, 118910), (940, 83743), (1012, 77785), (1034, 76130), (1081, 72820), (1265, 62228), (1324, 59455), (1655, 47564), (2068, 38065), (2162, 36410), (2530, 31114), (2585, 30452), (3310, 23782), (3641, 21620), (4324, 18205), (5060, 15557), (5170, 15226), (5405, 14564), (6620, 11891), (7282, 10810), (7613, 10340)]