211462420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 497871360

約数和(自身を除く): 286408940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 83, 130, 164, 166, 205, 239, 260, 332, 410, 415, 478, 533, 820, 830, 956, 1066, 1079, 1195, 1660, 2132, 2158, 2390, 2665, 3107, 3403, 4316, 4780, 5330, 5395, 6214, 6806, 9799, 10660, 10790, 12428, 13612, 15535, 17015, 19598, 19837, 21580, 31070, 34030, 39196, 39674, 44239, 48995, 62140, 68060, 79348, 88478, 97990, 99185, 127387, 176956, 195980, 198370, 221195, 254774, 257881, 396740, 442390, 509548, 515762, 636935, 813317, 884780, 1031524, 1273870, 1289405, 1626634, 2547740, 2578810, 3253268, 4066585, 5157620, 8133170, 10573121, 16266340, 21146242, 42292484, 52865605, 105731210, 211462420]

約数ペア:

[(1, 211462420), (2, 105731210), (4, 52865605), (5, 42292484), (10, 21146242), (13, 16266340), (20, 10573121), (26, 8133170), (41, 5157620), (52, 4066585), (65, 3253268), (82, 2578810), (83, 2547740), (130, 1626634), (164, 1289405), (166, 1273870), (205, 1031524), (239, 884780), (260, 813317), (332, 636935), (410, 515762), (415, 509548), (478, 442390), (533, 396740), (820, 257881), (830, 254774), (956, 221195), (1066, 198370), (1079, 195980), (1195, 176956), (1660, 127387), (2132, 99185), (2158, 97990), (2390, 88478), (2665, 79348), (3107, 68060), (3403, 62140), (4316, 48995), (4780, 44239), (5330, 39674), (5395, 39196), (6214, 34030), (6806, 31070), (9799, 21580), (10660, 19837), (10790, 19598), (12428, 17015), (13612, 15535)]