997100500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{16481}}^1$

素因数の和:16522

約数の個数: 72

約数和(自身を含む): 2393779752

約数和(自身を除く): 1396679252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 2420, 2750, 3025, 5500, 6050, 12100, 15125, 16481, 30250, 32962, 60500, 65924, 82405, 164810, 181291, 329620, 362582, 412025, 725164, 824050, 906455, 1648100, 1812910, 1994201, 2060125, 3625820, 3988402, 4120250, 4532275, 7976804, 8240500, 9064550, 9971005, 18129100, 19942010, 22661375, 39884020, 45322750, 49855025, 90645500, 99710050, 199420100, 249275125, 498550250, 997100500]

約数ペア:

[(1, 997100500), (2, 498550250), (4, 249275125), (5, 199420100), (10, 99710050), (11, 90645500), (20, 49855025), (22, 45322750), (25, 39884020), (44, 22661375), (50, 19942010), (55, 18129100), (100, 9971005), (110, 9064550), (121, 8240500), (125, 7976804), (220, 4532275), (242, 4120250), (250, 3988402), (275, 3625820), (484, 2060125), (500, 1994201), (550, 1812910), (605, 1648100), (1100, 906455), (1210, 824050), (1375, 725164), (2420, 412025), (2750, 362582), (3025, 329620), (5500, 181291), (6050, 164810), (12100, 82405), (15125, 65924), (16481, 60500), (30250, 32962)]