2156450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 4419360

約数和(自身を除く): 2262910

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 59, 85, 86, 118, 170, 215, 295, 425, 430, 590, 731, 850, 1003, 1075, 1462, 1475, 2006, 2150, 2537, 2950, 3655, 5015, 5074, 7310, 10030, 12685, 18275, 25075, 25370, 36550, 43129, 50150, 63425, 86258, 126850, 215645, 431290, 1078225, 2156450]

約数ペア:

[(1, 2156450), (2, 1078225), (5, 431290), (10, 215645), (17, 126850), (25, 86258), (34, 63425), (43, 50150), (50, 43129), (59, 36550), (85, 25370), (86, 25075), (118, 18275), (170, 12685), (215, 10030), (295, 7310), (425, 5074), (430, 5015), (590, 3655), (731, 2950), (850, 2537), (1003, 2150), (1075, 2006), (1462, 1475)]