270940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 645120

約数和(自身を除く): 374180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 76, 92, 95, 115, 124, 155, 190, 230, 310, 380, 437, 460, 589, 620, 713, 874, 1178, 1426, 1748, 2185, 2356, 2852, 2945, 3565, 4370, 5890, 7130, 8740, 11780, 13547, 14260, 27094, 54188, 67735, 135470, 270940]

約数ペア:

[(1, 270940), (2, 135470), (4, 67735), (5, 54188), (10, 27094), (19, 14260), (20, 13547), (23, 11780), (31, 8740), (38, 7130), (46, 5890), (62, 4370), (76, 3565), (92, 2945), (95, 2852), (115, 2356), (124, 2185), (155, 1748), (190, 1426), (230, 1178), (310, 874), (380, 713), (437, 620), (460, 589)]