156835700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 390600000

約数和(自身を除く): 233764300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 449, 499, 700, 898, 998, 1796, 1996, 2245, 2495, 3143, 3493, 4490, 4990, 6286, 6986, 8980, 9980, 11225, 12475, 12572, 13972, 15715, 17465, 22450, 24950, 31430, 34930, 44900, 49900, 62860, 69860, 78575, 87325, 157150, 174650, 224051, 314300, 349300, 448102, 896204, 1120255, 1568357, 2240510, 3136714, 4481020, 5601275, 6273428, 7841785, 11202550, 15683570, 22405100, 31367140, 39208925, 78417850, 156835700]

約数ペア:

[(1, 156835700), (2, 78417850), (4, 39208925), (5, 31367140), (7, 22405100), (10, 15683570), (14, 11202550), (20, 7841785), (25, 6273428), (28, 5601275), (35, 4481020), (50, 3136714), (70, 2240510), (100, 1568357), (140, 1120255), (175, 896204), (350, 448102), (449, 349300), (499, 314300), (700, 224051), (898, 174650), (998, 157150), (1796, 87325), (1996, 78575), (2245, 69860), (2495, 62860), (3143, 49900), (3493, 44900), (4490, 34930), (4990, 31430), (6286, 24950), (6986, 22450), (8980, 17465), (9980, 15715), (11225, 13972), (12475, 12572)]