55139140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 139793472

約数和(自身を除く): 84654332

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1091, 1330, 1444, 1805, 2182, 2527, 2660, 3610, 4364, 5054, 5455, 7220, 7637, 10108, 10910, 12635, 15274, 20729, 21820, 25270, 30548, 38185, 41458, 50540, 76370, 82916, 103645, 145103, 152740, 207290, 290206, 393851, 414580, 580412, 725515, 787702, 1451030, 1575404, 1969255, 2756957, 2902060, 3938510, 5513914, 7877020, 11027828, 13784785, 27569570, 55139140]

約数ペア:

[(1, 55139140), (2, 27569570), (4, 13784785), (5, 11027828), (7, 7877020), (10, 5513914), (14, 3938510), (19, 2902060), (20, 2756957), (28, 1969255), (35, 1575404), (38, 1451030), (70, 787702), (76, 725515), (95, 580412), (133, 414580), (140, 393851), (190, 290206), (266, 207290), (361, 152740), (380, 145103), (532, 103645), (665, 82916), (722, 76370), (1091, 50540), (1330, 41458), (1444, 38185), (1805, 30548), (2182, 25270), (2527, 21820), (2660, 20729), (3610, 15274), (4364, 12635), (5054, 10910), (5455, 10108), (7220, 7637)]