28393610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 33192310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 197, 203, 290, 355, 394, 406, 497, 710, 985, 994, 1015, 1379, 1970, 2030, 2059, 2485, 2758, 4118, 4970, 5713, 6895, 10295, 11426, 13790, 13987, 14413, 20590, 27974, 28565, 28826, 39991, 57130, 69935, 72065, 79982, 97909, 139870, 144130, 195818, 199955, 399910, 405623, 489545, 811246, 979090, 2028115, 2839361, 4056230, 5678722, 14196805, 28393610]

約数ペア:

[(1, 28393610), (2, 14196805), (5, 5678722), (7, 4056230), (10, 2839361), (14, 2028115), (29, 979090), (35, 811246), (58, 489545), (70, 405623), (71, 399910), (142, 199955), (145, 195818), (197, 144130), (203, 139870), (290, 97909), (355, 79982), (394, 72065), (406, 69935), (497, 57130), (710, 39991), (985, 28826), (994, 28565), (1015, 27974), (1379, 20590), (1970, 14413), (2030, 13987), (2059, 13790), (2485, 11426), (2758, 10295), (4118, 6895), (4970, 5713)]