4489420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 10499328

約数和(自身を除く): 6009908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 557, 620, 806, 1114, 1612, 2015, 2228, 2785, 4030, 5570, 7241, 8060, 11140, 14482, 17267, 28964, 34534, 36205, 69068, 72410, 86335, 144820, 172670, 224471, 345340, 448942, 897884, 1122355, 2244710, 4489420]

約数ペア:

[(1, 4489420), (2, 2244710), (4, 1122355), (5, 897884), (10, 448942), (13, 345340), (20, 224471), (26, 172670), (31, 144820), (52, 86335), (62, 72410), (65, 69068), (124, 36205), (130, 34534), (155, 28964), (260, 17267), (310, 14482), (403, 11140), (557, 8060), (620, 7241), (806, 5570), (1114, 4030), (1612, 2785), (2015, 2228)]