1757140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 4711392

約数和(自身を除く): 2954252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 163, 196, 220, 245, 308, 326, 385, 490, 539, 652, 770, 815, 980, 1078, 1141, 1540, 1630, 1793, 2156, 2282, 2695, 3260, 3586, 4564, 5390, 5705, 7172, 7987, 8965, 10780, 11410, 12551, 15974, 17930, 22820, 25102, 31948, 35860, 39935, 50204, 62755, 79870, 87857, 125510, 159740, 175714, 251020, 351428, 439285, 878570, 1757140]

約数ペア:

[(1, 1757140), (2, 878570), (4, 439285), (5, 351428), (7, 251020), (10, 175714), (11, 159740), (14, 125510), (20, 87857), (22, 79870), (28, 62755), (35, 50204), (44, 39935), (49, 35860), (55, 31948), (70, 25102), (77, 22820), (98, 17930), (110, 15974), (140, 12551), (154, 11410), (163, 10780), (196, 8965), (220, 7987), (245, 7172), (308, 5705), (326, 5390), (385, 4564), (490, 3586), (539, 3260), (652, 2695), (770, 2282), (815, 2156), (980, 1793), (1078, 1630), (1141, 1540)]