11944540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 28622160

約数和(自身を除く): 16677620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 43, 68, 76, 85, 86, 95, 170, 172, 190, 215, 323, 340, 380, 430, 646, 731, 817, 860, 1292, 1462, 1615, 1634, 1849, 2924, 3230, 3268, 3655, 3698, 4085, 6460, 7310, 7396, 8170, 9245, 13889, 14620, 16340, 18490, 27778, 31433, 35131, 36980, 55556, 62866, 69445, 70262, 125732, 138890, 140524, 157165, 175655, 277780, 314330, 351310, 597227, 628660, 702620, 1194454, 2388908, 2986135, 5972270, 11944540]

約数ペア:

[(1, 11944540), (2, 5972270), (4, 2986135), (5, 2388908), (10, 1194454), (17, 702620), (19, 628660), (20, 597227), (34, 351310), (38, 314330), (43, 277780), (68, 175655), (76, 157165), (85, 140524), (86, 138890), (95, 125732), (170, 70262), (172, 69445), (190, 62866), (215, 55556), (323, 36980), (340, 35131), (380, 31433), (430, 27778), (646, 18490), (731, 16340), (817, 14620), (860, 13889), (1292, 9245), (1462, 8170), (1615, 7396), (1634, 7310), (1849, 6460), (2924, 4085), (3230, 3698), (3268, 3655)]