1422280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3396060

約数和(自身を除く): 1973780

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 961, 1147, 1240, 1480, 1922, 2294, 3844, 4588, 4805, 5735, 7688, 9176, 9610, 11470, 19220, 22940, 35557, 38440, 45880, 71114, 142228, 177785, 284456, 355570, 711140, 1422280]

約数ペア:

[(1, 1422280), (2, 711140), (4, 355570), (5, 284456), (8, 177785), (10, 142228), (20, 71114), (31, 45880), (37, 38440), (40, 35557), (62, 22940), (74, 19220), (124, 11470), (148, 9610), (155, 9176), (185, 7688), (248, 5735), (296, 4805), (310, 4588), (370, 3844), (620, 2294), (740, 1922), (961, 1480), (1147, 1240)]