388583420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{1367}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 833571648

約数和(自身を除く): 444988228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 233, 244, 305, 466, 610, 932, 1165, 1220, 1367, 2330, 2734, 4660, 5468, 6835, 13670, 14213, 27340, 28426, 56852, 71065, 83387, 142130, 166774, 284260, 318511, 333548, 416935, 637022, 833870, 1274044, 1592555, 1667740, 3185110, 6370220, 19429171, 38858342, 77716684, 97145855, 194291710, 388583420]

約数ペア:

[(1, 388583420), (2, 194291710), (4, 97145855), (5, 77716684), (10, 38858342), (20, 19429171), (61, 6370220), (122, 3185110), (233, 1667740), (244, 1592555), (305, 1274044), (466, 833870), (610, 637022), (932, 416935), (1165, 333548), (1220, 318511), (1367, 284260), (2330, 166774), (2734, 142130), (4660, 83387), (5468, 71065), (6835, 56852), (13670, 28426), (14213, 27340)]