399644708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1013}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 766584000

約数和(自身を除く): 366939292

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 179, 358, 551, 716, 1013, 1102, 2026, 2204, 3401, 4052, 5191, 6802, 10382, 13604, 19247, 20764, 29377, 38494, 58754, 76988, 98629, 117508, 181327, 197258, 362654, 394516, 558163, 725308, 1116326, 2232652, 3445213, 5258483, 6890426, 10516966, 13780852, 21033932, 99911177, 199822354, 399644708]

約数ペア:

[(1, 399644708), (2, 199822354), (4, 99911177), (19, 21033932), (29, 13780852), (38, 10516966), (58, 6890426), (76, 5258483), (116, 3445213), (179, 2232652), (358, 1116326), (551, 725308), (716, 558163), (1013, 394516), (1102, 362654), (2026, 197258), (2204, 181327), (3401, 117508), (4052, 98629), (5191, 76988), (6802, 58754), (10382, 38494), (13604, 29377), (19247, 20764)]