215479840

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{5881}}^1$

素因数の和:6125

約数の個数: 48

約数和(自身を含む): 511381080

約数和(自身を除く): 295901240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 5881, 7328, 9160, 11762, 18320, 23524, 29405, 36640, 47048, 58810, 94096, 117620, 188192, 235240, 470480, 940960, 1346749, 2693498, 5386996, 6733745, 10773992, 13467490, 21547984, 26934980, 43095968, 53869960, 107739920, 215479840]

約数ペア:

[(1, 215479840), (2, 107739920), (4, 53869960), (5, 43095968), (8, 26934980), (10, 21547984), (16, 13467490), (20, 10773992), (32, 6733745), (40, 5386996), (80, 2693498), (160, 1346749), (229, 940960), (458, 470480), (916, 235240), (1145, 188192), (1832, 117620), (2290, 94096), (3664, 58810), (4580, 47048), (5881, 36640), (7328, 29405), (9160, 23524), (11762, 18320)]