2009133100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90911}}^1$

素因数の和:90955

約数の個数: 72

約数和(自身を含む): 4971431808

約数和(自身を除く): 2962298708

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 11050, 22100, 90911, 181822, 363644, 454555, 909110, 1181843, 1545487, 1818220, 2272775, 2363686, 3090974, 4545550, 4727372, 5909215, 6181948, 7727435, 9091100, 11818430, 15454870, 20091331, 23636860, 29546075, 30909740, 38637175, 40182662, 59092150, 77274350, 80365324, 100456655, 118184300, 154548700, 200913310, 401826620, 502283275, 1004566550, 2009133100]

約数ペア:

[(1, 2009133100), (2, 1004566550), (4, 502283275), (5, 401826620), (10, 200913310), (13, 154548700), (17, 118184300), (20, 100456655), (25, 80365324), (26, 77274350), (34, 59092150), (50, 40182662), (52, 38637175), (65, 30909740), (68, 29546075), (85, 23636860), (100, 20091331), (130, 15454870), (170, 11818430), (221, 9091100), (260, 7727435), (325, 6181948), (340, 5909215), (425, 4727372), (442, 4545550), (650, 3090974), (850, 2363686), (884, 2272775), (1105, 1818220), (1300, 1545487), (1700, 1181843), (2210, 909110), (4420, 454555), (5525, 363644), (11050, 181822), (22100, 90911)]