2017904020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{61559}}^1$

素因数の和:61728

約数の個数: 48

約数和(自身を含む): 4653936000

約数和(自身を除く): 2636031980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 16390, 32780, 61559, 123118, 246236, 307795, 615590, 677149, 1231180, 1354298, 2708596, 3385745, 6771490, 9172291, 13542980, 18344582, 36689164, 45861455, 91722910, 100895201, 183445820, 201790402, 403580804, 504476005, 1008952010, 2017904020]

約数ペア:

[(1, 2017904020), (2, 1008952010), (4, 504476005), (5, 403580804), (10, 201790402), (11, 183445820), (20, 100895201), (22, 91722910), (44, 45861455), (55, 36689164), (110, 18344582), (149, 13542980), (220, 9172291), (298, 6771490), (596, 3385745), (745, 2708596), (1490, 1354298), (1639, 1231180), (2980, 677149), (3278, 615590), (6556, 307795), (8195, 246236), (16390, 123118), (32780, 61559)]