287898860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{6361}}^1$

素因数の和:6474

約数の個数: 48

約数和(自身を含む): 632739072

約数和(自身を除く): 344840212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 6361, 9052, 11315, 12722, 22630, 25444, 31805, 45260, 63610, 127220, 197191, 394382, 464353, 788764, 928706, 985955, 1857412, 1971910, 2321765, 3943820, 4643530, 9287060, 14394943, 28789886, 57579772, 71974715, 143949430, 287898860]

約数ペア:

[(1, 287898860), (2, 143949430), (4, 71974715), (5, 57579772), (10, 28789886), (20, 14394943), (31, 9287060), (62, 4643530), (73, 3943820), (124, 2321765), (146, 1971910), (155, 1857412), (292, 985955), (310, 928706), (365, 788764), (620, 464353), (730, 394382), (1460, 197191), (2263, 127220), (4526, 63610), (6361, 45260), (9052, 31805), (11315, 25444), (12722, 22630)]