1138586780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 2540477520

約数和(自身を除く): 1401890740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 361, 380, 716, 722, 881, 895, 1444, 1762, 1790, 1805, 3401, 3524, 3580, 3610, 4405, 6802, 7220, 8810, 13604, 16739, 17005, 17620, 33478, 34010, 64619, 66956, 68020, 83695, 129238, 157699, 167390, 258476, 315398, 318041, 323095, 334780, 630796, 636082, 646190, 788495, 1272164, 1292380, 1576990, 1590205, 2996281, 3153980, 3180410, 5992562, 6360820, 11985124, 14981405, 29962810, 56929339, 59925620, 113858678, 227717356, 284646695, 569293390, 1138586780]

約数ペア:

[(1, 1138586780), (2, 569293390), (4, 284646695), (5, 227717356), (10, 113858678), (19, 59925620), (20, 56929339), (38, 29962810), (76, 14981405), (95, 11985124), (179, 6360820), (190, 5992562), (358, 3180410), (361, 3153980), (380, 2996281), (716, 1590205), (722, 1576990), (881, 1292380), (895, 1272164), (1444, 788495), (1762, 646190), (1790, 636082), (1805, 630796), (3401, 334780), (3524, 323095), (3580, 318041), (3610, 315398), (4405, 258476), (6802, 167390), (7220, 157699), (8810, 129238), (13604, 83695), (16739, 68020), (17005, 66956), (17620, 64619), (33478, 34010)]