54781870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 119931840

約数和(自身を除く): 65149970

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 715, 754, 1321, 1430, 1595, 1885, 2642, 3190, 3770, 4147, 6605, 8294, 13210, 14531, 17173, 20735, 29062, 34346, 38309, 41470, 72655, 76618, 85865, 145310, 171730, 188903, 191545, 377806, 383090, 421399, 498017, 842798, 944515, 996034, 1889030, 2106995, 2490085, 4213990, 4980170, 5478187, 10956374, 27390935, 54781870]

約数ペア:

[(1, 54781870), (2, 27390935), (5, 10956374), (10, 5478187), (11, 4980170), (13, 4213990), (22, 2490085), (26, 2106995), (29, 1889030), (55, 996034), (58, 944515), (65, 842798), (110, 498017), (130, 421399), (143, 383090), (145, 377806), (286, 191545), (290, 188903), (319, 171730), (377, 145310), (638, 85865), (715, 76618), (754, 72655), (1321, 41470), (1430, 38309), (1595, 34346), (1885, 29062), (2642, 20735), (3190, 17173), (3770, 14531), (4147, 13210), (6605, 8294)]