31176530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 73681920

約数和(自身を除く): 42505390

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2131, 2926, 4262, 7315, 10655, 14630, 14917, 21310, 23441, 29834, 40489, 46882, 74585, 80978, 117205, 149170, 164087, 202445, 234410, 283423, 328174, 404890, 445379, 566846, 820435, 890758, 1417115, 1640870, 2226895, 2834230, 3117653, 4453790, 6235306, 15588265, 31176530]

約数ペア:

[(1, 31176530), (2, 15588265), (5, 6235306), (7, 4453790), (10, 3117653), (11, 2834230), (14, 2226895), (19, 1640870), (22, 1417115), (35, 890758), (38, 820435), (55, 566846), (70, 445379), (77, 404890), (95, 328174), (110, 283423), (133, 234410), (154, 202445), (190, 164087), (209, 149170), (266, 117205), (385, 80978), (418, 74585), (665, 46882), (770, 40489), (1045, 29834), (1330, 23441), (1463, 21310), (2090, 14917), (2131, 14630), (2926, 10655), (4262, 7315)]