248257890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38851}}^1$

素因数の和:38935

約数の個数: 48

約数和(自身を含む): 654578496

約数和(自身を除く): 406320606

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 38851, 77702, 116553, 194255, 233106, 349659, 388510, 582765, 699318, 1165530, 1748295, 2758421, 3496590, 5516842, 8275263, 13792105, 16550526, 24825789, 27584210, 41376315, 49651578, 82752630, 124128945, 248257890]

約数ペア:

[(1, 248257890), (2, 124128945), (3, 82752630), (5, 49651578), (6, 41376315), (9, 27584210), (10, 24825789), (15, 16550526), (18, 13792105), (30, 8275263), (45, 5516842), (71, 3496590), (90, 2758421), (142, 1748295), (213, 1165530), (355, 699318), (426, 582765), (639, 388510), (710, 349659), (1065, 233106), (1278, 194255), (2130, 116553), (3195, 77702), (6390, 38851)]