1256556470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{420253}}^1$

素因数の和:420296

約数の個数: 32

約数和(自身を含む): 2541696192

約数和(自身を除く): 1285139722

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 420253, 840506, 2101265, 4202530, 5463289, 9665819, 10926578, 19331638, 27316445, 48329095, 54632890, 96658190, 125655647, 251311294, 628278235, 1256556470]

約数ペア:

[(1, 1256556470), (2, 628278235), (5, 251311294), (10, 125655647), (13, 96658190), (23, 54632890), (26, 48329095), (46, 27316445), (65, 19331638), (115, 10926578), (130, 9665819), (230, 5463289), (299, 4202530), (598, 2101265), (1495, 840506), (2990, 420253)]