169909780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2341}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 377717760

約数和(自身を除く): 207807980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 2341, 3629, 3820, 4682, 7258, 9364, 11705, 14516, 18145, 23410, 36290, 44479, 46820, 72580, 88958, 177916, 222395, 444790, 447131, 889580, 894262, 1788524, 2235655, 4471310, 8495489, 8942620, 16990978, 33981956, 42477445, 84954890, 169909780]

約数ペア:

[(1, 169909780), (2, 84954890), (4, 42477445), (5, 33981956), (10, 16990978), (19, 8942620), (20, 8495489), (38, 4471310), (76, 2235655), (95, 1788524), (190, 894262), (191, 889580), (380, 447131), (382, 444790), (764, 222395), (955, 177916), (1910, 88958), (2341, 72580), (3629, 46820), (3820, 44479), (4682, 36290), (7258, 23410), (9364, 18145), (11705, 14516)]