201621140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38923}}^1$

素因数の和:38976

約数の個数: 48

約数和(自身を含む): 496981632

約数和(自身を除く): 295360492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 38923, 77846, 155692, 194615, 272461, 389230, 544922, 778460, 1089844, 1362305, 1440151, 2724610, 2880302, 5449220, 5760604, 7200755, 10081057, 14401510, 20162114, 28803020, 40324228, 50405285, 100810570, 201621140]

約数ペア:

[(1, 201621140), (2, 100810570), (4, 50405285), (5, 40324228), (7, 28803020), (10, 20162114), (14, 14401510), (20, 10081057), (28, 7200755), (35, 5760604), (37, 5449220), (70, 2880302), (74, 2724610), (140, 1440151), (148, 1362305), (185, 1089844), (259, 778460), (370, 544922), (518, 389230), (740, 272461), (1036, 194615), (1295, 155692), (2590, 77846), (5180, 38923)]