258889490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{2371}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 476487360

約数和(自身を除く): 217597870

約数列:

[1, 2, 5, 10, 61, 122, 179, 305, 358, 610, 895, 1790, 2371, 4742, 10919, 11855, 21838, 23710, 54595, 109190, 144631, 289262, 424409, 723155, 848818, 1446310, 2122045, 4244090, 25888949, 51777898, 129444745, 258889490]

約数ペア:

[(1, 258889490), (2, 129444745), (5, 51777898), (10, 25888949), (61, 4244090), (122, 2122045), (179, 1446310), (305, 848818), (358, 723155), (610, 424409), (895, 289262), (1790, 144631), (2371, 109190), (4742, 54595), (10919, 23710), (11855, 21838)]