631721860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1319}}^1$

素因数の和:1657

約数の個数: 96

約数和(自身を含む): 1660538880

約数和(自身を除く): 1028817020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 311, 385, 622, 770, 1244, 1319, 1540, 1555, 2177, 2638, 3110, 3421, 4354, 5276, 6220, 6595, 6842, 8708, 9233, 10885, 13190, 13684, 14509, 17105, 18466, 21770, 23947, 26380, 29018, 34210, 36932, 43540, 46165, 47894, 58036, 68420, 72545, 92330, 95788, 101563, 119735, 145090, 184660, 203126, 239470, 290180, 406252, 410209, 478940, 507815, 820418, 1015630, 1640836, 2031260, 2051045, 2871463, 4102090, 4512299, 5742926, 8204180, 9024598, 11485852, 14357315, 18049196, 22561495, 28714630, 31586093, 45122990, 57429260, 63172186, 90245980, 126344372, 157930465, 315860930, 631721860]

約数ペア:

[(1, 631721860), (2, 315860930), (4, 157930465), (5, 126344372), (7, 90245980), (10, 63172186), (11, 57429260), (14, 45122990), (20, 31586093), (22, 28714630), (28, 22561495), (35, 18049196), (44, 14357315), (55, 11485852), (70, 9024598), (77, 8204180), (110, 5742926), (140, 4512299), (154, 4102090), (220, 2871463), (308, 2051045), (311, 2031260), (385, 1640836), (622, 1015630), (770, 820418), (1244, 507815), (1319, 478940), (1540, 410209), (1555, 406252), (2177, 290180), (2638, 239470), (3110, 203126), (3421, 184660), (4354, 145090), (5276, 119735), (6220, 101563), (6595, 95788), (6842, 92330), (8708, 72545), (9233, 68420), (10885, 58036), (13190, 47894), (13684, 46165), (14509, 43540), (17105, 36932), (18466, 34210), (21770, 29018), (23947, 26380)]