138253240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 318880800

約数和(自身を除く): 180627560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 113, 146, 226, 292, 365, 419, 452, 565, 584, 730, 838, 904, 1130, 1460, 1676, 2095, 2260, 2920, 3352, 4190, 4520, 8249, 8380, 16498, 16760, 30587, 32996, 41245, 47347, 61174, 65992, 82490, 94694, 122348, 152935, 164980, 189388, 236735, 244696, 305870, 329960, 378776, 473470, 611740, 946940, 1223480, 1893880, 3456331, 6912662, 13825324, 17281655, 27650648, 34563310, 69126620, 138253240]

約数ペア:

[(1, 138253240), (2, 69126620), (4, 34563310), (5, 27650648), (8, 17281655), (10, 13825324), (20, 6912662), (40, 3456331), (73, 1893880), (113, 1223480), (146, 946940), (226, 611740), (292, 473470), (365, 378776), (419, 329960), (452, 305870), (565, 244696), (584, 236735), (730, 189388), (838, 164980), (904, 152935), (1130, 122348), (1460, 94694), (1676, 82490), (2095, 65992), (2260, 61174), (2920, 47347), (3352, 41245), (4190, 32996), (4520, 30587), (8249, 16760), (8380, 16498)]