38611420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 93139200

約数和(自身を除く): 54527780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 43, 68, 76, 85, 86, 95, 139, 170, 172, 190, 215, 278, 323, 340, 380, 430, 556, 646, 695, 731, 817, 860, 1292, 1390, 1462, 1615, 1634, 2363, 2641, 2780, 2924, 3230, 3268, 3655, 4085, 4726, 5282, 5977, 6460, 7310, 8170, 9452, 10564, 11815, 11954, 13205, 13889, 14620, 16340, 23630, 23908, 26410, 27778, 29885, 44897, 47260, 52820, 55556, 59770, 69445, 89794, 101609, 113563, 119540, 138890, 179588, 203218, 224485, 227126, 277780, 406436, 448970, 454252, 508045, 567815, 897940, 1016090, 1135630, 1930571, 2032180, 2271260, 3861142, 7722284, 9652855, 19305710, 38611420]

約数ペア:

[(1, 38611420), (2, 19305710), (4, 9652855), (5, 7722284), (10, 3861142), (17, 2271260), (19, 2032180), (20, 1930571), (34, 1135630), (38, 1016090), (43, 897940), (68, 567815), (76, 508045), (85, 454252), (86, 448970), (95, 406436), (139, 277780), (170, 227126), (172, 224485), (190, 203218), (215, 179588), (278, 138890), (323, 119540), (340, 113563), (380, 101609), (430, 89794), (556, 69445), (646, 59770), (695, 55556), (731, 52820), (817, 47260), (860, 44897), (1292, 29885), (1390, 27778), (1462, 26410), (1615, 23908), (1634, 23630), (2363, 16340), (2641, 14620), (2780, 13889), (2924, 13205), (3230, 11954), (3268, 11815), (3655, 10564), (4085, 9452), (4726, 8170), (5282, 7310), (5977, 6460)]