1210794860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 2860704000

約数和(自身を除く): 1649909140

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, 859, 860, 946, 1490, 1639, 1718, 1892, 2365, 2980, 3278, 3436, 4295, 4730, 6407, 6556, 8195, 8590, 9449, 9460, 12814, 16390, 17180, 18898, 25628, 32035, 32780, 36937, 37796, 47245, 64070, 70477, 73874, 94490, 127991, 128140, 140954, 147748, 184685, 188980, 255982, 281908, 352385, 369370, 406307, 511964, 639955, 704770, 738740, 812614, 1279910, 1407901, 1409540, 1625228, 2031535, 2559820, 2815802, 4063070, 5503613, 5631604, 7039505, 8126140, 11007226, 14079010, 22014452, 27518065, 28158020, 55036130, 60539743, 110072260, 121079486, 242158972, 302698715, 605397430, 1210794860]

約数ペア:

[(1, 1210794860), (2, 605397430), (4, 302698715), (5, 242158972), (10, 121079486), (11, 110072260), (20, 60539743), (22, 55036130), (43, 28158020), (44, 27518065), (55, 22014452), (86, 14079010), (110, 11007226), (149, 8126140), (172, 7039505), (215, 5631604), (220, 5503613), (298, 4063070), (430, 2815802), (473, 2559820), (596, 2031535), (745, 1625228), (859, 1409540), (860, 1407901), (946, 1279910), (1490, 812614), (1639, 738740), (1718, 704770), (1892, 639955), (2365, 511964), (2980, 406307), (3278, 369370), (3436, 352385), (4295, 281908), (4730, 255982), (6407, 188980), (6556, 184685), (8195, 147748), (8590, 140954), (9449, 128140), (9460, 127991), (12814, 94490), (16390, 73874), (17180, 70477), (18898, 64070), (25628, 47245), (32035, 37796), (32780, 36937)]