1949394020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1597}}^1\times {\mathrm{8719}}^1$

素因数の和:10332

約数の個数: 48

約数和(自身を含む): 4682012160

約数和(自身を除く): 2732618140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1597, 3194, 6388, 7985, 8719, 11179, 15970, 17438, 22358, 31940, 34876, 43595, 44716, 55895, 61033, 87190, 111790, 122066, 174380, 223580, 244132, 305165, 610330, 1220660, 13924243, 27848486, 55696972, 69621215, 97469701, 139242430, 194939402, 278484860, 389878804, 487348505, 974697010, 1949394020]

約数ペア:

[(1, 1949394020), (2, 974697010), (4, 487348505), (5, 389878804), (7, 278484860), (10, 194939402), (14, 139242430), (20, 97469701), (28, 69621215), (35, 55696972), (70, 27848486), (140, 13924243), (1597, 1220660), (3194, 610330), (6388, 305165), (7985, 244132), (8719, 223580), (11179, 174380), (15970, 122066), (17438, 111790), (22358, 87190), (31940, 61033), (34876, 55895), (43595, 44716)]