258879760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2312

約数の個数: 80

約数和(自身を含む): 634816512

約数和(自身を除く): 375936752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1880, 2221, 2480, 2914, 3760, 4442, 5828, 7285, 8884, 11105, 11656, 14570, 17768, 22210, 23312, 29140, 35536, 44420, 58280, 68851, 88840, 104387, 116560, 137702, 177680, 208774, 275404, 344255, 417548, 521935, 550808, 688510, 835096, 1043870, 1101616, 1377020, 1670192, 2087740, 2754040, 3235997, 4175480, 5508080, 6471994, 8350960, 12943988, 16179985, 25887976, 32359970, 51775952, 64719940, 129439880, 258879760]

約数ペア:

[(1, 258879760), (2, 129439880), (4, 64719940), (5, 51775952), (8, 32359970), (10, 25887976), (16, 16179985), (20, 12943988), (31, 8350960), (40, 6471994), (47, 5508080), (62, 4175480), (80, 3235997), (94, 2754040), (124, 2087740), (155, 1670192), (188, 1377020), (235, 1101616), (248, 1043870), (310, 835096), (376, 688510), (470, 550808), (496, 521935), (620, 417548), (752, 344255), (940, 275404), (1240, 208774), (1457, 177680), (1880, 137702), (2221, 116560), (2480, 104387), (2914, 88840), (3760, 68851), (4442, 58280), (5828, 44420), (7285, 35536), (8884, 29140), (11105, 23312), (11656, 22210), (14570, 17768)]