238429220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{133949}}^1$

素因数の和:134047

約数の個数: 24

約数和(自身を含む): 506331000

約数和(自身を除く): 267901780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 133949, 267898, 535796, 669745, 1339490, 2678980, 11921461, 23842922, 47685844, 59607305, 119214610, 238429220]

約数ペア:

[(1, 238429220), (2, 119214610), (4, 59607305), (5, 47685844), (10, 23842922), (20, 11921461), (89, 2678980), (178, 1339490), (356, 669745), (445, 535796), (890, 267898), (1780, 133949)]