31240940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4327}}^1$

素因数の和:4374

約数の個数: 36

約数和(自身を含む): 69256656

約数和(自身を除く): 38015716

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 4327, 7220, 8654, 17308, 21635, 43270, 82213, 86540, 164426, 328852, 411065, 822130, 1562047, 1644260, 3124094, 6248188, 7810235, 15620470, 31240940]

約数ペア:

[(1, 31240940), (2, 15620470), (4, 7810235), (5, 6248188), (10, 3124094), (19, 1644260), (20, 1562047), (38, 822130), (76, 411065), (95, 328852), (190, 164426), (361, 86540), (380, 82213), (722, 43270), (1444, 21635), (1805, 17308), (3610, 8654), (4327, 7220)]