172042250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 337858560

約数和(自身を除く): 165816310

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 125, 155, 158, 250, 281, 310, 395, 562, 775, 790, 1405, 1550, 1975, 2449, 2810, 3875, 3950, 4898, 7025, 7750, 8711, 9875, 12245, 14050, 17422, 19750, 22199, 24490, 35125, 43555, 44398, 61225, 70250, 87110, 110995, 122450, 217775, 221990, 306125, 435550, 554975, 612250, 688169, 1088875, 1109950, 1376338, 2177750, 2774875, 3440845, 5549750, 6881690, 17204225, 34408450, 86021125, 172042250]

約数ペア:

[(1, 172042250), (2, 86021125), (5, 34408450), (10, 17204225), (25, 6881690), (31, 5549750), (50, 3440845), (62, 2774875), (79, 2177750), (125, 1376338), (155, 1109950), (158, 1088875), (250, 688169), (281, 612250), (310, 554975), (395, 435550), (562, 306125), (775, 221990), (790, 217775), (1405, 122450), (1550, 110995), (1975, 87110), (2449, 70250), (2810, 61225), (3875, 44398), (3950, 43555), (4898, 35125), (7025, 24490), (7750, 22199), (8711, 19750), (9875, 17422), (12245, 14050)]