131777740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1789}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 288691200

約数和(自身を除く): 156913460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 508, 580, 635, 1270, 1789, 2540, 3578, 3683, 7156, 7366, 8945, 14732, 17890, 18415, 35780, 36830, 51881, 73660, 103762, 207524, 227203, 259405, 454406, 518810, 908812, 1037620, 1136015, 2272030, 4544060, 6588887, 13177774, 26355548, 32944435, 65888870, 131777740]

約数ペア:

[(1, 131777740), (2, 65888870), (4, 32944435), (5, 26355548), (10, 13177774), (20, 6588887), (29, 4544060), (58, 2272030), (116, 1136015), (127, 1037620), (145, 908812), (254, 518810), (290, 454406), (508, 259405), (580, 227203), (635, 207524), (1270, 103762), (1789, 73660), (2540, 51881), (3578, 36830), (3683, 35780), (7156, 18415), (7366, 17890), (8945, 14732)]