259397790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 635599872

約数和(自身を除く): 376202082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 193, 213, 355, 386, 426, 579, 631, 710, 965, 1065, 1158, 1262, 1893, 1930, 2130, 2895, 3155, 3786, 5790, 6310, 9465, 13703, 18930, 27406, 41109, 44801, 68515, 82218, 89602, 121783, 134403, 137030, 205545, 224005, 243566, 268806, 365349, 411090, 448010, 608915, 672015, 730698, 1217830, 1344030, 1826745, 3653490, 8646593, 17293186, 25939779, 43232965, 51879558, 86465930, 129698895, 259397790]

約数ペア:

[(1, 259397790), (2, 129698895), (3, 86465930), (5, 51879558), (6, 43232965), (10, 25939779), (15, 17293186), (30, 8646593), (71, 3653490), (142, 1826745), (193, 1344030), (213, 1217830), (355, 730698), (386, 672015), (426, 608915), (579, 448010), (631, 411090), (710, 365349), (965, 268806), (1065, 243566), (1158, 224005), (1262, 205545), (1893, 137030), (1930, 134403), (2130, 121783), (2895, 89602), (3155, 82218), (3786, 68515), (5790, 44801), (6310, 41109), (9465, 27406), (13703, 18930)]