100122020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1523}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 222747840

約数和(自身を除く): 122625820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1523, 1730, 3046, 3287, 3460, 6092, 6574, 7615, 13148, 15230, 16435, 28937, 30460, 32870, 57874, 65740, 115748, 144685, 263479, 289370, 526958, 578740, 1053916, 1317395, 2634790, 5006101, 5269580, 10012202, 20024404, 25030505, 50061010, 100122020]

約数ペア:

[(1, 100122020), (2, 50061010), (4, 25030505), (5, 20024404), (10, 10012202), (19, 5269580), (20, 5006101), (38, 2634790), (76, 1317395), (95, 1053916), (173, 578740), (190, 526958), (346, 289370), (380, 263479), (692, 144685), (865, 115748), (1523, 65740), (1730, 57874), (3046, 32870), (3287, 30460), (3460, 28937), (6092, 16435), (6574, 15230), (7615, 13148)]