199045240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{62989}}^1$

素因数の和:63079

約数の個数: 32

約数和(自身を含む): 453528000

約数和(自身を除く): 254482760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 62989, 125978, 251956, 314945, 503912, 629890, 1259780, 2519560, 4976131, 9952262, 19904524, 24880655, 39809048, 49761310, 99522620, 199045240]

約数ペア:

[(1, 199045240), (2, 99522620), (4, 49761310), (5, 39809048), (8, 24880655), (10, 19904524), (20, 9952262), (40, 4976131), (79, 2519560), (158, 1259780), (316, 629890), (395, 503912), (632, 314945), (790, 251956), (1580, 125978), (3160, 62989)]