254785428

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 659393280

約数和(自身を除く): 404607852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 101, 158, 202, 237, 303, 316, 404, 474, 606, 711, 887, 909, 948, 1212, 1422, 1774, 1818, 2661, 2844, 3548, 3636, 5322, 7979, 7983, 10644, 15958, 15966, 23937, 31916, 31932, 47874, 70073, 71811, 89587, 95748, 140146, 143622, 179174, 210219, 268761, 280292, 287244, 358348, 420438, 537522, 630657, 806283, 840876, 1075044, 1261314, 1612566, 2522628, 3225132, 7077373, 14154746, 21232119, 28309492, 42464238, 63696357, 84928476, 127392714, 254785428]

約数ペア:

[(1, 254785428), (2, 127392714), (3, 84928476), (4, 63696357), (6, 42464238), (9, 28309492), (12, 21232119), (18, 14154746), (36, 7077373), (79, 3225132), (101, 2522628), (158, 1612566), (202, 1261314), (237, 1075044), (303, 840876), (316, 806283), (404, 630657), (474, 537522), (606, 420438), (711, 358348), (887, 287244), (909, 280292), (948, 268761), (1212, 210219), (1422, 179174), (1774, 143622), (1818, 140146), (2661, 95748), (2844, 89587), (3548, 71811), (3636, 70073), (5322, 47874), (7979, 31932), (7983, 31916), (10644, 23937), (15958, 15966)]