255768700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 609742224

約数和(自身を除く): 353973524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 157, 220, 275, 314, 550, 628, 785, 1100, 1481, 1570, 1727, 2962, 3140, 3454, 3925, 5924, 6908, 7405, 7850, 8635, 14810, 15700, 16291, 17270, 29620, 32582, 34540, 37025, 43175, 65164, 74050, 81455, 86350, 148100, 162910, 172700, 232517, 325820, 407275, 465034, 814550, 930068, 1162585, 1629100, 2325170, 2557687, 4650340, 5115374, 5812925, 10230748, 11625850, 12788435, 23251700, 25576870, 51153740, 63942175, 127884350, 255768700]

約数ペア:

[(1, 255768700), (2, 127884350), (4, 63942175), (5, 51153740), (10, 25576870), (11, 23251700), (20, 12788435), (22, 11625850), (25, 10230748), (44, 5812925), (50, 5115374), (55, 4650340), (100, 2557687), (110, 2325170), (157, 1629100), (220, 1162585), (275, 930068), (314, 814550), (550, 465034), (628, 407275), (785, 325820), (1100, 232517), (1481, 172700), (1570, 162910), (1727, 148100), (2962, 86350), (3140, 81455), (3454, 74050), (3925, 65164), (5924, 43175), (6908, 37025), (7405, 34540), (7850, 32582), (8635, 29620), (14810, 17270), (15700, 16291)]