278546403550

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{4441}}^1\times {\mathrm{8419}}^1$

素因数の和:13021

約数の個数: 48

約数和(自身を含む): 521752878000

約数和(自身を除く): 243206474450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 3725, 4441, 7450, 8419, 8882, 16838, 22205, 42095, 44410, 84190, 111025, 210475, 222050, 420950, 661709, 1254431, 1323418, 2508862, 3308545, 6272155, 6617090, 12544310, 16542725, 31360775, 33085450, 37388779, 62721550, 74777558, 186943895, 373887790, 934719475, 1869438950, 5570928071, 11141856142, 27854640355, 55709280710, 139273201775, 278546403550]

約数ペア:

[(1, 278546403550), (2, 139273201775), (5, 55709280710), (10, 27854640355), (25, 11141856142), (50, 5570928071), (149, 1869438950), (298, 934719475), (745, 373887790), (1490, 186943895), (3725, 74777558), (4441, 62721550), (7450, 37388779), (8419, 33085450), (8882, 31360775), (16838, 16542725), (22205, 12544310), (42095, 6617090), (44410, 6272155), (84190, 3308545), (111025, 2508862), (210475, 1323418), (222050, 1254431), (420950, 661709)]