87705100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 72

約数和(自身を含む): 222034400

約数和(自身を除く): 134329300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 2557, 3430, 4900, 5114, 6860, 8575, 10228, 12785, 17150, 17899, 25570, 34300, 35798, 51140, 63925, 71596, 89495, 125293, 127850, 178990, 250586, 255700, 357980, 447475, 501172, 626465, 877051, 894950, 1252930, 1754102, 1789900, 2505860, 3132325, 3508204, 4385255, 6264650, 8770510, 12529300, 17541020, 21926275, 43852550, 87705100]

約数ペア:

[(1, 87705100), (2, 43852550), (4, 21926275), (5, 17541020), (7, 12529300), (10, 8770510), (14, 6264650), (20, 4385255), (25, 3508204), (28, 3132325), (35, 2505860), (49, 1789900), (50, 1754102), (70, 1252930), (98, 894950), (100, 877051), (140, 626465), (175, 501172), (196, 447475), (245, 357980), (343, 255700), (350, 250586), (490, 178990), (686, 127850), (700, 125293), (980, 89495), (1225, 71596), (1372, 63925), (1715, 51140), (2450, 35798), (2557, 34300), (3430, 25570), (4900, 17899), (5114, 17150), (6860, 12785), (8575, 10228)]