169997180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14431}}^1$

素因数の和:14490

約数の個数: 48

約数和(自身を含む): 387932160

約数和(自身を除く): 217934980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 14431, 28862, 57724, 72155, 144310, 274189, 288620, 447361, 548378, 894722, 1096756, 1370945, 1789444, 2236805, 2741890, 4473610, 5483780, 8499859, 8947220, 16999718, 33999436, 42499295, 84998590, 169997180]

約数ペア:

[(1, 169997180), (2, 84998590), (4, 42499295), (5, 33999436), (10, 16999718), (19, 8947220), (20, 8499859), (31, 5483780), (38, 4473610), (62, 2741890), (76, 2236805), (95, 1789444), (124, 1370945), (155, 1096756), (190, 894722), (310, 548378), (380, 447361), (589, 288620), (620, 274189), (1178, 144310), (2356, 72155), (2945, 57724), (5890, 28862), (11780, 14431)]