277202020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1741}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 614577600

約数和(自身を除く): 337375580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 419, 838, 1676, 1741, 2095, 3482, 4190, 6964, 7961, 8380, 8705, 15922, 17410, 31844, 33079, 34820, 39805, 66158, 79610, 132316, 159220, 165395, 330790, 661580, 729479, 1458958, 2917916, 3647395, 7294790, 13860101, 14589580, 27720202, 55440404, 69300505, 138601010, 277202020]

約数ペア:

[(1, 277202020), (2, 138601010), (4, 69300505), (5, 55440404), (10, 27720202), (19, 14589580), (20, 13860101), (38, 7294790), (76, 3647395), (95, 2917916), (190, 1458958), (380, 729479), (419, 661580), (838, 330790), (1676, 165395), (1741, 159220), (2095, 132316), (3482, 79610), (4190, 66158), (6964, 39805), (7961, 34820), (8380, 33079), (8705, 31844), (15922, 17410)]