145128400

素因数分解:

$2^4\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1627}}^1$

素因数の和:1868

約数の個数: 60

約数和(自身を含む): 350449792

約数和(自身を除く): 205321392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 223, 400, 446, 892, 1115, 1627, 1784, 2230, 3254, 3568, 4460, 5575, 6508, 8135, 8920, 11150, 13016, 16270, 17840, 22300, 26032, 32540, 40675, 44600, 65080, 81350, 89200, 130160, 162700, 325400, 362821, 650800, 725642, 1451284, 1814105, 2902568, 3628210, 5805136, 7256420, 9070525, 14512840, 18141050, 29025680, 36282100, 72564200, 145128400]

約数ペア:

[(1, 145128400), (2, 72564200), (4, 36282100), (5, 29025680), (8, 18141050), (10, 14512840), (16, 9070525), (20, 7256420), (25, 5805136), (40, 3628210), (50, 2902568), (80, 1814105), (100, 1451284), (200, 725642), (223, 650800), (400, 362821), (446, 325400), (892, 162700), (1115, 130160), (1627, 89200), (1784, 81350), (2230, 65080), (3254, 44600), (3568, 40675), (4460, 32540), (5575, 26032), (6508, 22300), (8135, 17840), (8920, 16270), (11150, 13016)]