888924025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 1286971200

約数和(自身を除く): 398047175

約数列:

[1, 5, 11, 19, 25, 55, 61, 95, 209, 275, 305, 475, 671, 1045, 1159, 1525, 2789, 3355, 5225, 5795, 12749, 13945, 16775, 28975, 30679, 52991, 63745, 69725, 153395, 170129, 264955, 318725, 582901, 766975, 850645, 1324775, 1871419, 2914505, 3232451, 4253225, 9357095, 14572525, 16162255, 35556961, 46785475, 80811275, 177784805, 888924025]

約数ペア:

[(1, 888924025), (5, 177784805), (11, 80811275), (19, 46785475), (25, 35556961), (55, 16162255), (61, 14572525), (95, 9357095), (209, 4253225), (275, 3232451), (305, 2914505), (475, 1871419), (671, 1324775), (1045, 850645), (1159, 766975), (1525, 582901), (2789, 318725), (3355, 264955), (5225, 170129), (5795, 153395), (12749, 69725), (13945, 63745), (16775, 52991), (28975, 30679)]