405740020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1313

約数の個数: 96

約数和(自身を含む): 1038804480

約数和(自身を除く): 633064460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 151, 170, 238, 302, 340, 476, 595, 604, 755, 1057, 1129, 1190, 1510, 2114, 2258, 2380, 2567, 3020, 4228, 4516, 5134, 5285, 5645, 7903, 10268, 10570, 11290, 12835, 15806, 17969, 19193, 21140, 22580, 25670, 31612, 35938, 38386, 39515, 51340, 71876, 76772, 79030, 89845, 95965, 134351, 158060, 170479, 179690, 191930, 268702, 340958, 359380, 383860, 537404, 671755, 681916, 852395, 1193353, 1343510, 1704790, 2386706, 2687020, 2898143, 3409580, 4773412, 5796286, 5966765, 11592572, 11933530, 14490715, 20287001, 23867060, 28981430, 40574002, 57962860, 81148004, 101435005, 202870010, 405740020]

約数ペア:

[(1, 405740020), (2, 202870010), (4, 101435005), (5, 81148004), (7, 57962860), (10, 40574002), (14, 28981430), (17, 23867060), (20, 20287001), (28, 14490715), (34, 11933530), (35, 11592572), (68, 5966765), (70, 5796286), (85, 4773412), (119, 3409580), (140, 2898143), (151, 2687020), (170, 2386706), (238, 1704790), (302, 1343510), (340, 1193353), (476, 852395), (595, 681916), (604, 671755), (755, 537404), (1057, 383860), (1129, 359380), (1190, 340958), (1510, 268702), (2114, 191930), (2258, 179690), (2380, 170479), (2567, 158060), (3020, 134351), (4228, 95965), (4516, 89845), (5134, 79030), (5285, 76772), (5645, 71876), (7903, 51340), (10268, 39515), (10570, 38386), (11290, 35938), (12835, 31612), (15806, 25670), (17969, 22580), (19193, 21140)]