2119900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 5155920

約数和(自身を除く): 3036020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 34, 43, 50, 58, 68, 85, 86, 100, 116, 145, 170, 172, 215, 290, 340, 425, 430, 493, 580, 725, 731, 850, 860, 986, 1075, 1247, 1450, 1462, 1700, 1972, 2150, 2465, 2494, 2900, 2924, 3655, 4300, 4930, 4988, 6235, 7310, 9860, 12325, 12470, 14620, 18275, 21199, 24650, 24940, 31175, 36550, 42398, 49300, 62350, 73100, 84796, 105995, 124700, 211990, 423980, 529975, 1059950, 2119900]

約数ペア:

[(1, 2119900), (2, 1059950), (4, 529975), (5, 423980), (10, 211990), (17, 124700), (20, 105995), (25, 84796), (29, 73100), (34, 62350), (43, 49300), (50, 42398), (58, 36550), (68, 31175), (85, 24940), (86, 24650), (100, 21199), (116, 18275), (145, 14620), (170, 12470), (172, 12325), (215, 9860), (290, 7310), (340, 6235), (425, 4988), (430, 4930), (493, 4300), (580, 3655), (725, 2924), (731, 2900), (850, 2494), (860, 2465), (986, 2150), (1075, 1972), (1247, 1700), (1450, 1462)]