9960940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 24030720

約数和(自身を除く): 14069780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2383, 4180, 4766, 9532, 11915, 23830, 26213, 45277, 47660, 52426, 90554, 104852, 131065, 181108, 226385, 262130, 452770, 498047, 524260, 905540, 996094, 1992188, 2490235, 4980470, 9960940]

約数ペア:

[(1, 9960940), (2, 4980470), (4, 2490235), (5, 1992188), (10, 996094), (11, 905540), (19, 524260), (20, 498047), (22, 452770), (38, 262130), (44, 226385), (55, 181108), (76, 131065), (95, 104852), (110, 90554), (190, 52426), (209, 47660), (220, 45277), (380, 26213), (418, 23830), (836, 11915), (1045, 9532), (2090, 4766), (2383, 4180)]