291213684040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{127321}}^1$

素因数の和:127814

約数の個数: 64

約数和(自身を含む): 660770622720

約数和(自身を除く): 369556938680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 271, 422, 542, 844, 1055, 1084, 1355, 1688, 2110, 2168, 2710, 4220, 5420, 8440, 10840, 57181, 114362, 127321, 228724, 254642, 285905, 457448, 509284, 571810, 636605, 1018568, 1143620, 1273210, 2287240, 2546420, 5092840, 26864731, 34503991, 53729462, 69007982, 107458924, 134323655, 138015964, 172519955, 214917848, 268647310, 276031928, 345039910, 537294620, 690079820, 1074589240, 1380159640, 7280342101, 14560684202, 29121368404, 36401710505, 58242736808, 72803421010, 145606842020, 291213684040]

約数ペア:

[(1, 291213684040), (2, 145606842020), (4, 72803421010), (5, 58242736808), (8, 36401710505), (10, 29121368404), (20, 14560684202), (40, 7280342101), (211, 1380159640), (271, 1074589240), (422, 690079820), (542, 537294620), (844, 345039910), (1055, 276031928), (1084, 268647310), (1355, 214917848), (1688, 172519955), (2110, 138015964), (2168, 134323655), (2710, 107458924), (4220, 69007982), (5420, 53729462), (8440, 34503991), (10840, 26864731), (57181, 5092840), (114362, 2546420), (127321, 2287240), (228724, 1273210), (254642, 1143620), (285905, 1018568), (457448, 636605), (509284, 571810)]