16668700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 39441920

約数和(自身を除く): 22773220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 283, 310, 380, 475, 566, 589, 620, 775, 950, 1132, 1178, 1415, 1550, 1900, 2356, 2830, 2945, 3100, 5377, 5660, 5890, 7075, 8773, 10754, 11780, 14150, 14725, 17546, 21508, 26885, 28300, 29450, 35092, 43865, 53770, 58900, 87730, 107540, 134425, 166687, 175460, 219325, 268850, 333374, 438650, 537700, 666748, 833435, 877300, 1666870, 3333740, 4167175, 8334350, 16668700]

約数ペア:

[(1, 16668700), (2, 8334350), (4, 4167175), (5, 3333740), (10, 1666870), (19, 877300), (20, 833435), (25, 666748), (31, 537700), (38, 438650), (50, 333374), (62, 268850), (76, 219325), (95, 175460), (100, 166687), (124, 134425), (155, 107540), (190, 87730), (283, 58900), (310, 53770), (380, 43865), (475, 35092), (566, 29450), (589, 28300), (620, 26885), (775, 21508), (950, 17546), (1132, 14725), (1178, 14150), (1415, 11780), (1550, 10754), (1900, 8773), (2356, 7075), (2830, 5890), (2945, 5660), (3100, 5377)]