997090820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{13291}}^1$

素因数の和:13353

約数の個数: 72

約数和(自身を含む): 2375971584

約数和(自身を除く): 1378880764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 6820, 7502, 13291, 15004, 18755, 26582, 37510, 53164, 66455, 75020, 132910, 146201, 265820, 292402, 412021, 584804, 731005, 824042, 1462010, 1608211, 1648084, 2060105, 2924020, 3216422, 4120210, 4532231, 6432844, 8041055, 8240420, 9064462, 16082110, 18128924, 22661155, 32164220, 45322310, 49854541, 90644620, 99709082, 199418164, 249272705, 498545410, 997090820]

約数ペア:

[(1, 997090820), (2, 498545410), (4, 249272705), (5, 199418164), (10, 99709082), (11, 90644620), (20, 49854541), (22, 45322310), (31, 32164220), (44, 22661155), (55, 18128924), (62, 16082110), (110, 9064462), (121, 8240420), (124, 8041055), (155, 6432844), (220, 4532231), (242, 4120210), (310, 3216422), (341, 2924020), (484, 2060105), (605, 1648084), (620, 1608211), (682, 1462010), (1210, 824042), (1364, 731005), (1705, 584804), (2420, 412021), (3410, 292402), (3751, 265820), (6820, 146201), (7502, 132910), (13291, 75020), (15004, 66455), (18755, 53164), (26582, 37510)]