28490070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19381}}^1$

素因数の和:19405

約数の個数: 48

約数和(自身を含む): 79543728

約数和(自身を除く): 51053658

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19381, 38762, 58143, 96905, 116286, 135667, 193810, 271334, 290715, 407001, 581430, 678335, 814002, 949669, 1356670, 1899338, 2035005, 2849007, 4070010, 4748345, 5698014, 9496690, 14245035, 28490070]

約数ペア:

[(1, 28490070), (2, 14245035), (3, 9496690), (5, 5698014), (6, 4748345), (7, 4070010), (10, 2849007), (14, 2035005), (15, 1899338), (21, 1356670), (30, 949669), (35, 814002), (42, 678335), (49, 581430), (70, 407001), (98, 290715), (105, 271334), (147, 193810), (210, 135667), (245, 116286), (294, 96905), (490, 58143), (735, 38762), (1470, 19381)]