2207765103620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4051}}^1\times {\mathrm{138323}}^1$

素因数の和:142580

約数の個数: 48

約数和(自身を含む): 4661025259968

約数和(自身を除く): 2453260156348

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4051, 8102, 16204, 20255, 40510, 81020, 138323, 276646, 553292, 691615, 798047, 1383230, 1596094, 2766460, 3192188, 3990235, 7980470, 15960940, 27249631, 54499262, 108998524, 136248155, 272496310, 544992620, 560346473, 1120692946, 2241385892, 2801732365, 5603464730, 11206929460, 110388255181, 220776510362, 441553020724, 551941275905, 1103882551810, 2207765103620]

約数ペア:

[(1, 2207765103620), (2, 1103882551810), (4, 551941275905), (5, 441553020724), (10, 220776510362), (20, 110388255181), (197, 11206929460), (394, 5603464730), (788, 2801732365), (985, 2241385892), (1970, 1120692946), (3940, 560346473), (4051, 544992620), (8102, 272496310), (16204, 136248155), (20255, 108998524), (40510, 54499262), (81020, 27249631), (138323, 15960940), (276646, 7980470), (553292, 3990235), (691615, 3192188), (798047, 2766460), (1383230, 1596094)]