157028920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 375580800

約数和(自身を除く): 218551880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 1070, 1931, 2033, 2140, 3862, 4066, 4280, 7724, 8132, 9655, 10165, 15448, 16264, 19310, 20330, 36689, 38620, 40660, 73378, 77240, 81320, 146756, 183445, 206617, 293512, 366890, 413234, 733780, 826468, 1033085, 1467560, 1652936, 2066170, 3925723, 4132340, 7851446, 8264680, 15702892, 19628615, 31405784, 39257230, 78514460, 157028920]

約数ペア:

[(1, 157028920), (2, 78514460), (4, 39257230), (5, 31405784), (8, 19628615), (10, 15702892), (19, 8264680), (20, 7851446), (38, 4132340), (40, 3925723), (76, 2066170), (95, 1652936), (107, 1467560), (152, 1033085), (190, 826468), (214, 733780), (380, 413234), (428, 366890), (535, 293512), (760, 206617), (856, 183445), (1070, 146756), (1931, 81320), (2033, 77240), (2140, 73378), (3862, 40660), (4066, 38620), (4280, 36689), (7724, 20330), (8132, 19310), (9655, 16264), (10165, 15448)]