1613860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 3709440

約数和(自身を除く): 2095580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 137, 155, 190, 274, 310, 380, 548, 589, 620, 685, 1178, 1370, 2356, 2603, 2740, 2945, 4247, 5206, 5890, 8494, 10412, 11780, 13015, 16988, 21235, 26030, 42470, 52060, 80693, 84940, 161386, 322772, 403465, 806930, 1613860]

約数ペア:

[(1, 1613860), (2, 806930), (4, 403465), (5, 322772), (10, 161386), (19, 84940), (20, 80693), (31, 52060), (38, 42470), (62, 26030), (76, 21235), (95, 16988), (124, 13015), (137, 11780), (155, 10412), (190, 8494), (274, 5890), (310, 5206), (380, 4247), (548, 2945), (589, 2740), (620, 2603), (685, 2356), (1178, 1370)]