874820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1157308

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 83, 85, 124, 155, 166, 170, 310, 332, 340, 415, 527, 620, 830, 1054, 1411, 1660, 2108, 2573, 2635, 2822, 5146, 5270, 5644, 7055, 10292, 10540, 12865, 14110, 25730, 28220, 43741, 51460, 87482, 174964, 218705, 437410, 874820]

約数ペア:

[(1, 874820), (2, 437410), (4, 218705), (5, 174964), (10, 87482), (17, 51460), (20, 43741), (31, 28220), (34, 25730), (62, 14110), (68, 12865), (83, 10540), (85, 10292), (124, 7055), (155, 5644), (166, 5270), (170, 5146), (310, 2822), (332, 2635), (340, 2573), (415, 2108), (527, 1660), (620, 1411), (830, 1054)]