155072870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{2131}}^1$

素因数の和:2540

約数の個数: 32

約数和(自身を含む): 294727680

約数和(自身を除く): 139654810

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 766, 1915, 2131, 3830, 4262, 7277, 10655, 14554, 21310, 36385, 40489, 72770, 80978, 202445, 404890, 816173, 1632346, 4080865, 8161730, 15507287, 31014574, 77536435, 155072870]

約数ペア:

[(1, 155072870), (2, 77536435), (5, 31014574), (10, 15507287), (19, 8161730), (38, 4080865), (95, 1632346), (190, 816173), (383, 404890), (766, 202445), (1915, 80978), (2131, 72770), (3830, 40489), (4262, 36385), (7277, 21310), (10655, 14554)]