2004990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 5334336

約数和(自身を除く): 3329346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 97, 106, 130, 159, 194, 195, 265, 291, 318, 390, 485, 530, 582, 689, 795, 970, 1261, 1378, 1455, 1590, 2067, 2522, 2910, 3445, 3783, 4134, 5141, 6305, 6890, 7566, 10282, 10335, 12610, 15423, 18915, 20670, 25705, 30846, 37830, 51410, 66833, 77115, 133666, 154230, 200499, 334165, 400998, 668330, 1002495, 2004990]

約数ペア:

[(1, 2004990), (2, 1002495), (3, 668330), (5, 400998), (6, 334165), (10, 200499), (13, 154230), (15, 133666), (26, 77115), (30, 66833), (39, 51410), (53, 37830), (65, 30846), (78, 25705), (97, 20670), (106, 18915), (130, 15423), (159, 12610), (194, 10335), (195, 10282), (265, 7566), (291, 6890), (318, 6305), (390, 5141), (485, 4134), (530, 3783), (582, 3445), (689, 2910), (795, 2522), (970, 2067), (1261, 1590), (1378, 1455)]