90399340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 200884320

約数和(自身を除く): 110484980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 233, 380, 466, 932, 1021, 1165, 2042, 2330, 4084, 4427, 4660, 5105, 8854, 10210, 17708, 19399, 20420, 22135, 38798, 44270, 77596, 88540, 96995, 193990, 237893, 387980, 475786, 951572, 1189465, 2378930, 4519967, 4757860, 9039934, 18079868, 22599835, 45199670, 90399340]

約数ペア:

[(1, 90399340), (2, 45199670), (4, 22599835), (5, 18079868), (10, 9039934), (19, 4757860), (20, 4519967), (38, 2378930), (76, 1189465), (95, 951572), (190, 475786), (233, 387980), (380, 237893), (466, 193990), (932, 96995), (1021, 88540), (1165, 77596), (2042, 44270), (2330, 38798), (4084, 22135), (4427, 20420), (4660, 19399), (5105, 17708), (8854, 10210)]