1245748700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{41387}}^1$

素因数の和:41451

約数の個数: 72

約数和(自身を含む): 3161380992

約数和(自身を除く): 1915632292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 3010, 4300, 6020, 7525, 15050, 30100, 41387, 82774, 165548, 206935, 289709, 413870, 579418, 827740, 1034675, 1158836, 1448545, 1779641, 2069350, 2897090, 3559282, 4138700, 5794180, 7118564, 7242725, 8898205, 12457487, 14485450, 17796410, 24914974, 28970900, 35592820, 44491025, 49829948, 62287435, 88982050, 124574870, 177964100, 249149740, 311437175, 622874350, 1245748700]

約数ペア:

[(1, 1245748700), (2, 622874350), (4, 311437175), (5, 249149740), (7, 177964100), (10, 124574870), (14, 88982050), (20, 62287435), (25, 49829948), (28, 44491025), (35, 35592820), (43, 28970900), (50, 24914974), (70, 17796410), (86, 14485450), (100, 12457487), (140, 8898205), (172, 7242725), (175, 7118564), (215, 5794180), (301, 4138700), (350, 3559282), (430, 2897090), (602, 2069350), (700, 1779641), (860, 1448545), (1075, 1158836), (1204, 1034675), (1505, 827740), (2150, 579418), (3010, 413870), (4300, 289709), (6020, 206935), (7525, 165548), (15050, 82774), (30100, 41387)]