379655216020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{686761}}^1$

素因数の和:687112

約数の個数: 48

約数和(自身を含む): 807170607936

約数和(自身を除く): 427515391916

約数列:

[1, 2, 4, 5, 10, 20, 131, 211, 262, 422, 524, 655, 844, 1055, 1310, 2110, 2620, 4220, 27641, 55282, 110564, 138205, 276410, 552820, 686761, 1373522, 2747044, 3433805, 6867610, 13735220, 89965691, 144906571, 179931382, 289813142, 359862764, 449828455, 579626284, 724532855, 899656910, 1449065710, 1799313820, 2898131420, 18982760801, 37965521602, 75931043204, 94913804005, 189827608010, 379655216020]

約数ペア:

[(1, 379655216020), (2, 189827608010), (4, 94913804005), (5, 75931043204), (10, 37965521602), (20, 18982760801), (131, 2898131420), (211, 1799313820), (262, 1449065710), (422, 899656910), (524, 724532855), (655, 579626284), (844, 449828455), (1055, 359862764), (1310, 289813142), (2110, 179931382), (2620, 144906571), (4220, 89965691), (27641, 13735220), (55282, 6867610), (110564, 3433805), (138205, 2747044), (276410, 1373522), (552820, 686761)]