1900538660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{12899}}^1$

素因数の和:13100

約数の個数: 48

約数和(自身を含む): 4096008000

約数和(自身を除く): 2195469340

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 265, 278, 530, 556, 695, 1060, 1390, 2780, 7367, 12899, 14734, 25798, 29468, 36835, 51596, 64495, 73670, 128990, 147340, 257980, 683647, 1367294, 1792961, 2734588, 3418235, 3585922, 6836470, 7171844, 8964805, 13672940, 17929610, 35859220, 95026933, 190053866, 380107732, 475134665, 950269330, 1900538660]

約数ペア:

[(1, 1900538660), (2, 950269330), (4, 475134665), (5, 380107732), (10, 190053866), (20, 95026933), (53, 35859220), (106, 17929610), (139, 13672940), (212, 8964805), (265, 7171844), (278, 6836470), (530, 3585922), (556, 3418235), (695, 2734588), (1060, 1792961), (1390, 1367294), (2780, 683647), (7367, 257980), (12899, 147340), (14734, 128990), (25798, 73670), (29468, 64495), (36835, 51596)]