70307620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 82101980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 205, 358, 410, 479, 716, 820, 895, 958, 1790, 1916, 2395, 3580, 4790, 7339, 9580, 14678, 19639, 29356, 36695, 39278, 73390, 78556, 85741, 98195, 146780, 171482, 196390, 342964, 392780, 428705, 857410, 1714820, 3515381, 7030762, 14061524, 17576905, 35153810, 70307620]

約数ペア:

[(1, 70307620), (2, 35153810), (4, 17576905), (5, 14061524), (10, 7030762), (20, 3515381), (41, 1714820), (82, 857410), (164, 428705), (179, 392780), (205, 342964), (358, 196390), (410, 171482), (479, 146780), (716, 98195), (820, 85741), (895, 78556), (958, 73390), (1790, 39278), (1916, 36695), (2395, 29356), (3580, 19639), (4790, 14678), (7339, 9580)]