1409540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 3326400

約数和(自身を除く): 1916860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 149, 172, 215, 220, 298, 430, 473, 596, 745, 860, 946, 1490, 1639, 1892, 2365, 2980, 3278, 4730, 6407, 6556, 8195, 9460, 12814, 16390, 25628, 32035, 32780, 64070, 70477, 128140, 140954, 281908, 352385, 704770, 1409540]

約数ペア:

[(1, 1409540), (2, 704770), (4, 352385), (5, 281908), (10, 140954), (11, 128140), (20, 70477), (22, 64070), (43, 32780), (44, 32035), (55, 25628), (86, 16390), (110, 12814), (149, 9460), (172, 8195), (215, 6556), (220, 6407), (298, 4730), (430, 3278), (473, 2980), (596, 2365), (745, 1892), (860, 1639), (946, 1490)]