208876250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 60

約数和(自身を含む): 430657458

約数和(自身を除く): 221781208

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 550, 605, 625, 1210, 1250, 1375, 1381, 2750, 2762, 3025, 6050, 6875, 6905, 13750, 13810, 15125, 15191, 30250, 30382, 34525, 69050, 75625, 75955, 151250, 151910, 167101, 172625, 334202, 345250, 379775, 759550, 835505, 863125, 1671010, 1726250, 1898875, 3797750, 4177525, 8355050, 9494375, 18988750, 20887625, 41775250, 104438125, 208876250]

約数ペア:

[(1, 208876250), (2, 104438125), (5, 41775250), (10, 20887625), (11, 18988750), (22, 9494375), (25, 8355050), (50, 4177525), (55, 3797750), (110, 1898875), (121, 1726250), (125, 1671010), (242, 863125), (250, 835505), (275, 759550), (550, 379775), (605, 345250), (625, 334202), (1210, 172625), (1250, 167101), (1375, 151910), (1381, 151250), (2750, 75955), (2762, 75625), (3025, 69050), (6050, 34525), (6875, 30382), (6905, 30250), (13750, 15191), (13810, 15125)]