66990800

素因数分解:

$2^4\times 5^2\times {\mathrm{373}}^1\times {\mathrm{449}}^1$

素因数の和:840

約数の個数: 60

約数和(自身を含む): 161736300

約数和(自身を除く): 94745500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 373, 400, 449, 746, 898, 1492, 1796, 1865, 2245, 2984, 3592, 3730, 4490, 5968, 7184, 7460, 8980, 9325, 11225, 14920, 17960, 18650, 22450, 29840, 35920, 37300, 44900, 74600, 89800, 149200, 167477, 179600, 334954, 669908, 837385, 1339816, 1674770, 2679632, 3349540, 4186925, 6699080, 8373850, 13398160, 16747700, 33495400, 66990800]

約数ペア:

[(1, 66990800), (2, 33495400), (4, 16747700), (5, 13398160), (8, 8373850), (10, 6699080), (16, 4186925), (20, 3349540), (25, 2679632), (40, 1674770), (50, 1339816), (80, 837385), (100, 669908), (200, 334954), (373, 179600), (400, 167477), (449, 149200), (746, 89800), (898, 74600), (1492, 44900), (1796, 37300), (1865, 35920), (2245, 29840), (2984, 22450), (3592, 18650), (3730, 17960), (4490, 14920), (5968, 11225), (7184, 9325), (7460, 8980)]