220187740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 525377664

約数和(自身を除く): 305189924

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 68, 74, 85, 92, 115, 148, 170, 185, 230, 340, 370, 391, 460, 629, 740, 761, 782, 851, 1258, 1522, 1564, 1702, 1955, 2516, 3044, 3145, 3404, 3805, 3910, 4255, 6290, 7610, 7820, 8510, 12580, 12937, 14467, 15220, 17020, 17503, 25874, 28157, 28934, 35006, 51748, 56314, 57868, 64685, 70012, 72335, 87515, 112628, 129370, 140785, 144670, 175030, 258740, 281570, 289340, 297551, 350060, 478669, 563140, 595102, 647611, 957338, 1190204, 1295222, 1487755, 1914676, 2393345, 2590444, 2975510, 3238055, 4786690, 5951020, 6476110, 9573380, 11009387, 12952220, 22018774, 44037548, 55046935, 110093870, 220187740]

約数ペア:

[(1, 220187740), (2, 110093870), (4, 55046935), (5, 44037548), (10, 22018774), (17, 12952220), (20, 11009387), (23, 9573380), (34, 6476110), (37, 5951020), (46, 4786690), (68, 3238055), (74, 2975510), (85, 2590444), (92, 2393345), (115, 1914676), (148, 1487755), (170, 1295222), (185, 1190204), (230, 957338), (340, 647611), (370, 595102), (391, 563140), (460, 478669), (629, 350060), (740, 297551), (761, 289340), (782, 281570), (851, 258740), (1258, 175030), (1522, 144670), (1564, 140785), (1702, 129370), (1955, 112628), (2516, 87515), (3044, 72335), (3145, 70012), (3404, 64685), (3805, 57868), (3910, 56314), (4255, 51748), (6290, 35006), (7610, 28934), (7820, 28157), (8510, 25874), (12580, 17503), (12937, 17020), (14467, 15220)]