248747460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318907}}^1$

素因数の和:318932

約数の個数: 48

約数和(自身を含む): 750071616

約数和(自身を除く): 501324156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 318907, 637814, 956721, 1275628, 1594535, 1913442, 3189070, 3826884, 4145791, 4783605, 6378140, 8291582, 9567210, 12437373, 16583164, 19134420, 20728955, 24874746, 41457910, 49749492, 62186865, 82915820, 124373730, 248747460]

約数ペア:

[(1, 248747460), (2, 124373730), (3, 82915820), (4, 62186865), (5, 49749492), (6, 41457910), (10, 24874746), (12, 20728955), (13, 19134420), (15, 16583164), (20, 12437373), (26, 9567210), (30, 8291582), (39, 6378140), (52, 4783605), (60, 4145791), (65, 3826884), (78, 3189070), (130, 1913442), (156, 1594535), (195, 1275628), (260, 956721), (390, 637814), (780, 318907)]