392833820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 843427200

約数和(自身を除く): 450593380

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 2281, 4562, 8611, 9124, 11405, 17222, 22810, 34444, 43055, 45620, 86110, 172220, 180199, 248629, 360398, 497258, 720796, 900995, 994516, 1243145, 1801990, 2486290, 3603980, 4972580, 19641691, 39283382, 78566764, 98208455, 196416910, 392833820]

約数ペア:

[(1, 392833820), (2, 196416910), (4, 98208455), (5, 78566764), (10, 39283382), (20, 19641691), (79, 4972580), (109, 3603980), (158, 2486290), (218, 1801990), (316, 1243145), (395, 994516), (436, 900995), (545, 720796), (790, 497258), (1090, 360398), (1580, 248629), (2180, 180199), (2281, 172220), (4562, 86110), (8611, 45620), (9124, 43055), (11405, 34444), (17222, 22810)]