902266780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{2351}}^1$

素因数の和:3010

約数の個数: 48

約数和(自身を含む): 1959874560

約数和(自身を除く): 1057607780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 619, 620, 1238, 2351, 2476, 3095, 4702, 6190, 9404, 11755, 12380, 19189, 23510, 38378, 47020, 72881, 76756, 95945, 145762, 191890, 291524, 364405, 383780, 728810, 1455269, 1457620, 2910538, 5821076, 7276345, 14552690, 29105380, 45113339, 90226678, 180453356, 225566695, 451133390, 902266780]

約数ペア:

[(1, 902266780), (2, 451133390), (4, 225566695), (5, 180453356), (10, 90226678), (20, 45113339), (31, 29105380), (62, 14552690), (124, 7276345), (155, 5821076), (310, 2910538), (619, 1457620), (620, 1455269), (1238, 728810), (2351, 383780), (2476, 364405), (3095, 291524), (4702, 191890), (6190, 145762), (9404, 95945), (11755, 76756), (12380, 72881), (19189, 47020), (23510, 38378)]