158156710280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2153}}^1\times {\mathrm{4721}}^1$

素因数の和:7274

約数の個数: 64

約数和(自身を含む): 357008698800

約数和(自身を除く): 198851988520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2153, 3112, 3890, 4306, 4721, 7780, 8612, 9442, 10765, 15560, 17224, 18884, 21530, 23605, 37768, 43060, 47210, 86120, 94420, 188840, 837517, 1675034, 1836469, 3350068, 3672938, 4187585, 6700136, 7345876, 8375170, 9182345, 10164313, 14691752, 16750340, 18364690, 20328626, 33500680, 36729380, 40657252, 50821565, 73458760, 81314504, 101643130, 203286260, 406572520, 3953917757, 7907835514, 15815671028, 19769588785, 31631342056, 39539177570, 79078355140, 158156710280]

約数ペア:

[(1, 158156710280), (2, 79078355140), (4, 39539177570), (5, 31631342056), (8, 19769588785), (10, 15815671028), (20, 7907835514), (40, 3953917757), (389, 406572520), (778, 203286260), (1556, 101643130), (1945, 81314504), (2153, 73458760), (3112, 50821565), (3890, 40657252), (4306, 36729380), (4721, 33500680), (7780, 20328626), (8612, 18364690), (9442, 16750340), (10765, 14691752), (15560, 10164313), (17224, 9182345), (18884, 8375170), (21530, 7345876), (23605, 6700136), (37768, 4187585), (43060, 3672938), (47210, 3350068), (86120, 1836469), (94420, 1675034), (188840, 837517)]