80668700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 108

約数和(自身を含む): 206908632

約数和(自身を除く): 126239932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 101, 140, 163, 175, 196, 202, 245, 326, 350, 404, 490, 505, 652, 700, 707, 815, 980, 1010, 1141, 1225, 1414, 1630, 2020, 2282, 2450, 2525, 2828, 3260, 3535, 4075, 4564, 4900, 4949, 5050, 5705, 7070, 7987, 8150, 9898, 10100, 11410, 14140, 15974, 16300, 16463, 17675, 19796, 22820, 24745, 28525, 31948, 32926, 35350, 39935, 49490, 57050, 65852, 70700, 79870, 82315, 98980, 114100, 115241, 123725, 159740, 164630, 199675, 230482, 247450, 329260, 399350, 411575, 460964, 494900, 576205, 798700, 806687, 823150, 1152410, 1613374, 1646300, 2304820, 2881025, 3226748, 4033435, 5762050, 8066870, 11524100, 16133740, 20167175, 40334350, 80668700]

約数ペア:

[(1, 80668700), (2, 40334350), (4, 20167175), (5, 16133740), (7, 11524100), (10, 8066870), (14, 5762050), (20, 4033435), (25, 3226748), (28, 2881025), (35, 2304820), (49, 1646300), (50, 1613374), (70, 1152410), (98, 823150), (100, 806687), (101, 798700), (140, 576205), (163, 494900), (175, 460964), (196, 411575), (202, 399350), (245, 329260), (326, 247450), (350, 230482), (404, 199675), (490, 164630), (505, 159740), (652, 123725), (700, 115241), (707, 114100), (815, 98980), (980, 82315), (1010, 79870), (1141, 70700), (1225, 65852), (1414, 57050), (1630, 49490), (2020, 39935), (2282, 35350), (2450, 32926), (2525, 31948), (2828, 28525), (3260, 24745), (3535, 22820), (4075, 19796), (4564, 17675), (4900, 16463), (4949, 16300), (5050, 15974), (5705, 14140), (7070, 11410), (7987, 10100), (8150, 9898)]