45397420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 97993728

約数和(自身を除く): 52596308

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 293, 305, 508, 586, 610, 635, 1172, 1220, 1270, 1465, 2540, 2930, 5860, 7747, 15494, 17873, 30988, 35746, 37211, 38735, 71492, 74422, 77470, 89365, 148844, 154940, 178730, 186055, 357460, 372110, 744220, 2269871, 4539742, 9079484, 11349355, 22698710, 45397420]

約数ペア:

[(1, 45397420), (2, 22698710), (4, 11349355), (5, 9079484), (10, 4539742), (20, 2269871), (61, 744220), (122, 372110), (127, 357460), (244, 186055), (254, 178730), (293, 154940), (305, 148844), (508, 89365), (586, 77470), (610, 74422), (635, 71492), (1172, 38735), (1220, 37211), (1270, 35746), (1465, 30988), (2540, 17873), (2930, 15494), (5860, 7747)]