217947400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 557196480

約数和(自身を除く): 339249080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 157, 200, 220, 275, 314, 440, 550, 628, 631, 785, 1100, 1256, 1262, 1570, 1727, 2200, 2524, 3140, 3155, 3454, 3925, 5048, 6280, 6310, 6908, 6941, 7850, 8635, 12620, 13816, 13882, 15700, 15775, 17270, 25240, 27764, 31400, 31550, 34540, 34705, 43175, 55528, 63100, 69080, 69410, 86350, 99067, 126200, 138820, 172700, 173525, 198134, 277640, 345400, 347050, 396268, 495335, 694100, 792536, 990670, 1089737, 1388200, 1981340, 2179474, 2476675, 3962680, 4358948, 4953350, 5448685, 8717896, 9906700, 10897370, 19813400, 21794740, 27243425, 43589480, 54486850, 108973700, 217947400]

約数ペア:

[(1, 217947400), (2, 108973700), (4, 54486850), (5, 43589480), (8, 27243425), (10, 21794740), (11, 19813400), (20, 10897370), (22, 9906700), (25, 8717896), (40, 5448685), (44, 4953350), (50, 4358948), (55, 3962680), (88, 2476675), (100, 2179474), (110, 1981340), (157, 1388200), (200, 1089737), (220, 990670), (275, 792536), (314, 694100), (440, 495335), (550, 396268), (628, 347050), (631, 345400), (785, 277640), (1100, 198134), (1256, 173525), (1262, 172700), (1570, 138820), (1727, 126200), (2200, 99067), (2524, 86350), (3140, 69410), (3155, 69080), (3454, 63100), (3925, 55528), (5048, 43175), (6280, 34705), (6310, 34540), (6908, 31550), (6941, 31400), (7850, 27764), (8635, 25240), (12620, 17270), (13816, 15775), (13882, 15700)]