64499150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 124867008

約数和(自身を除く): 60367858

約数列:

[1, 2, 5, 10, 25, 41, 50, 73, 82, 146, 205, 365, 410, 431, 730, 862, 1025, 1825, 2050, 2155, 2993, 3650, 4310, 5986, 10775, 14965, 17671, 21550, 29930, 31463, 35342, 62926, 74825, 88355, 149650, 157315, 176710, 314630, 441775, 786575, 883550, 1289983, 1573150, 2579966, 6449915, 12899830, 32249575, 64499150]

約数ペア:

[(1, 64499150), (2, 32249575), (5, 12899830), (10, 6449915), (25, 2579966), (41, 1573150), (50, 1289983), (73, 883550), (82, 786575), (146, 441775), (205, 314630), (365, 176710), (410, 157315), (431, 149650), (730, 88355), (862, 74825), (1025, 62926), (1825, 35342), (2050, 31463), (2155, 29930), (2993, 21550), (3650, 17671), (4310, 14965), (5986, 10775)]