158889940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{65657}}^1$

素因数の和:65688

約数の個数: 36

約数和(自身を含む): 366765588

約数和(自身を除く): 207875648

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 65657, 131314, 262628, 328285, 656570, 722227, 1313140, 1444454, 2888908, 3611135, 7222270, 7944497, 14444540, 15888994, 31777988, 39722485, 79444970, 158889940]

約数ペア:

[(1, 158889940), (2, 79444970), (4, 39722485), (5, 31777988), (10, 15888994), (11, 14444540), (20, 7944497), (22, 7222270), (44, 3611135), (55, 2888908), (110, 1444454), (121, 1313140), (220, 722227), (242, 656570), (484, 328285), (605, 262628), (1210, 131314), (2420, 65657)]