155926900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 352477440

約数和(自身を除く): 196550540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 179, 281, 310, 358, 562, 620, 716, 775, 895, 1124, 1405, 1550, 1790, 2810, 3100, 3580, 4475, 5549, 5620, 7025, 8711, 8950, 11098, 14050, 17422, 17900, 22196, 27745, 28100, 34844, 43555, 50299, 55490, 87110, 100598, 110980, 138725, 174220, 201196, 217775, 251495, 277450, 435550, 502990, 554900, 871100, 1005980, 1257475, 1559269, 2514950, 3118538, 5029900, 6237076, 7796345, 15592690, 31185380, 38981725, 77963450, 155926900]

約数ペア:

[(1, 155926900), (2, 77963450), (4, 38981725), (5, 31185380), (10, 15592690), (20, 7796345), (25, 6237076), (31, 5029900), (50, 3118538), (62, 2514950), (100, 1559269), (124, 1257475), (155, 1005980), (179, 871100), (281, 554900), (310, 502990), (358, 435550), (562, 277450), (620, 251495), (716, 217775), (775, 201196), (895, 174220), (1124, 138725), (1405, 110980), (1550, 100598), (1790, 87110), (2810, 55490), (3100, 50299), (3580, 43555), (4475, 34844), (5549, 28100), (5620, 27745), (7025, 22196), (8711, 17900), (8950, 17422), (11098, 14050)]