177398420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 383555088

約数和(自身を除く): 206156668

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 404, 505, 530, 1010, 1060, 1657, 2020, 3314, 5353, 6628, 8285, 10706, 16570, 21412, 26765, 33140, 53530, 87821, 107060, 167357, 175642, 334714, 351284, 439105, 669428, 836785, 878210, 1673570, 1756420, 3347140, 8869921, 17739842, 35479684, 44349605, 88699210, 177398420]

約数ペア:

[(1, 177398420), (2, 88699210), (4, 44349605), (5, 35479684), (10, 17739842), (20, 8869921), (53, 3347140), (101, 1756420), (106, 1673570), (202, 878210), (212, 836785), (265, 669428), (404, 439105), (505, 351284), (530, 334714), (1010, 175642), (1060, 167357), (1657, 107060), (2020, 87821), (3314, 53530), (5353, 33140), (6628, 26765), (8285, 21412), (10706, 16570)]