71615380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 154405440

約数和(自身を除く): 82790060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 137, 236, 274, 295, 443, 548, 590, 685, 886, 1180, 1370, 1772, 2215, 2740, 4430, 8083, 8860, 16166, 26137, 32332, 40415, 52274, 60691, 80830, 104548, 121382, 130685, 161660, 242764, 261370, 303455, 522740, 606910, 1213820, 3580769, 7161538, 14323076, 17903845, 35807690, 71615380]

約数ペア:

[(1, 71615380), (2, 35807690), (4, 17903845), (5, 14323076), (10, 7161538), (20, 3580769), (59, 1213820), (118, 606910), (137, 522740), (236, 303455), (274, 261370), (295, 242764), (443, 161660), (548, 130685), (590, 121382), (685, 104548), (886, 80830), (1180, 60691), (1370, 52274), (1772, 40415), (2215, 32332), (2740, 26137), (4430, 16166), (8083, 8860)]