668844610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{9161}}^1$

素因数の和:9331

約数の個数: 48

約数和(自身を含む): 1410031800

約数和(自身を除く): 741187190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 490, 745, 1043, 1490, 2086, 5215, 7301, 9161, 10430, 14602, 18322, 36505, 45805, 64127, 73010, 91610, 128254, 320635, 448889, 641270, 897778, 1364989, 2244445, 2729978, 4488890, 6824945, 9554923, 13649890, 19109846, 47774615, 66884461, 95549230, 133768922, 334422305, 668844610]

約数ペア:

[(1, 668844610), (2, 334422305), (5, 133768922), (7, 95549230), (10, 66884461), (14, 47774615), (35, 19109846), (49, 13649890), (70, 9554923), (98, 6824945), (149, 4488890), (245, 2729978), (298, 2244445), (490, 1364989), (745, 897778), (1043, 641270), (1490, 448889), (2086, 320635), (5215, 128254), (7301, 91610), (9161, 73010), (10430, 64127), (14602, 45805), (18322, 36505)]