152638420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{22381}}^1$

素因数の和:22432

約数の個数: 48

約数和(自身を含む): 360976896

約数和(自身を除く): 208338476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 22381, 44762, 89524, 111905, 223810, 246191, 447620, 492382, 693811, 984764, 1230955, 1387622, 2461910, 2775244, 3469055, 4923820, 6938110, 7631921, 13876220, 15263842, 30527684, 38159605, 76319210, 152638420]

約数ペア:

[(1, 152638420), (2, 76319210), (4, 38159605), (5, 30527684), (10, 15263842), (11, 13876220), (20, 7631921), (22, 6938110), (31, 4923820), (44, 3469055), (55, 2775244), (62, 2461910), (110, 1387622), (124, 1230955), (155, 984764), (220, 693811), (310, 492382), (341, 447620), (620, 246191), (682, 223810), (1364, 111905), (1705, 89524), (3410, 44762), (6820, 22381)]