865408430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{40879}}^1$

素因数の和:40988

約数の個数: 32

約数和(自身を含む): 1633564800

約数和(自身を除く): 768156370

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 2117, 4234, 10585, 21170, 40879, 81758, 204395, 408790, 1185491, 2370982, 2984167, 5927455, 5968334, 11854910, 14920835, 29841670, 86540843, 173081686, 432704215, 865408430]

約数ペア:

[(1, 865408430), (2, 432704215), (5, 173081686), (10, 86540843), (29, 29841670), (58, 14920835), (73, 11854910), (145, 5968334), (146, 5927455), (290, 2984167), (365, 2370982), (730, 1185491), (2117, 408790), (4234, 204395), (10585, 81758), (21170, 40879)]