639232270

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{1973}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 1164028320

約数和(自身を除く): 524796050

約数列:

[1, 2, 5, 10, 179, 181, 358, 362, 895, 905, 1790, 1810, 1973, 3946, 9865, 19730, 32399, 64798, 161995, 323990, 353167, 357113, 706334, 714226, 1765835, 1785565, 3531670, 3571130, 63923227, 127846454, 319616135, 639232270]

約数ペア:

[(1, 639232270), (2, 319616135), (5, 127846454), (10, 63923227), (179, 3571130), (181, 3531670), (358, 1785565), (362, 1765835), (895, 714226), (905, 706334), (1790, 357113), (1810, 353167), (1973, 323990), (3946, 161995), (9865, 64798), (19730, 32399)]