29186680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 39242120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 239, 284, 344, 355, 430, 478, 568, 710, 860, 956, 1195, 1420, 1720, 1912, 2390, 2840, 3053, 4780, 6106, 9560, 10277, 12212, 15265, 16969, 20554, 24424, 30530, 33938, 41108, 51385, 61060, 67876, 82216, 84845, 102770, 122120, 135752, 169690, 205540, 339380, 411080, 678760, 729667, 1459334, 2918668, 3648335, 5837336, 7296670, 14593340, 29186680]

約数ペア:

[(1, 29186680), (2, 14593340), (4, 7296670), (5, 5837336), (8, 3648335), (10, 2918668), (20, 1459334), (40, 729667), (43, 678760), (71, 411080), (86, 339380), (142, 205540), (172, 169690), (215, 135752), (239, 122120), (284, 102770), (344, 84845), (355, 82216), (430, 67876), (478, 61060), (568, 51385), (710, 41108), (860, 33938), (956, 30530), (1195, 24424), (1420, 20554), (1720, 16969), (1912, 15265), (2390, 12212), (2840, 10277), (3053, 9560), (4780, 6106)]