12285020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 29635200

約数和(自身を除く): 17350180

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, 2939, 4180, 5878, 11756, 14695, 29390, 32329, 55841, 58780, 64658, 111682, 129316, 161645, 223364, 279205, 323290, 558410, 614251, 646580, 1116820, 1228502, 2457004, 3071255, 6142510, 12285020]

約数ペア:

[(1, 12285020), (2, 6142510), (4, 3071255), (5, 2457004), (10, 1228502), (11, 1116820), (19, 646580), (20, 614251), (22, 558410), (38, 323290), (44, 279205), (55, 223364), (76, 161645), (95, 129316), (110, 111682), (190, 64658), (209, 58780), (220, 55841), (380, 32329), (418, 29390), (836, 14695), (1045, 11756), (2090, 5878), (2939, 4180)]