245830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 32

約数和(自身を含む): 499968

約数和(自身を除く): 254138

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 305, 310, 403, 610, 793, 806, 1586, 1891, 2015, 3782, 3965, 4030, 7930, 9455, 18910, 24583, 49166, 122915, 245830]

約数ペア:

[(1, 245830), (2, 122915), (5, 49166), (10, 24583), (13, 18910), (26, 9455), (31, 7930), (61, 4030), (62, 3965), (65, 3782), (122, 2015), (130, 1891), (155, 1586), (305, 806), (310, 793), (403, 610)]