249675550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 485683200

約数和(自身を除く): 236007650

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 155, 158, 310, 395, 775, 790, 1550, 1975, 2039, 2449, 3950, 4078, 4898, 10195, 12245, 20390, 24490, 50975, 61225, 63209, 101950, 122450, 126418, 161081, 316045, 322162, 632090, 805405, 1580225, 1610810, 3160450, 4027025, 4993511, 8054050, 9987022, 24967555, 49935110, 124837775, 249675550]

約数ペア:

[(1, 249675550), (2, 124837775), (5, 49935110), (10, 24967555), (25, 9987022), (31, 8054050), (50, 4993511), (62, 4027025), (79, 3160450), (155, 1610810), (158, 1580225), (310, 805405), (395, 632090), (775, 322162), (790, 316045), (1550, 161081), (1975, 126418), (2039, 122450), (2449, 101950), (3950, 63209), (4078, 61225), (4898, 50975), (10195, 24490), (12245, 20390)]