129896540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4327}}^1$

素因数の和:4434

約数の個数: 48

約数和(自身を含む): 290841600

約数和(自身を除く): 160945060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 4327, 6004, 7505, 8654, 15010, 17308, 21635, 30020, 43270, 82213, 86540, 164426, 328852, 341833, 411065, 683666, 822130, 1367332, 1644260, 1709165, 3418330, 6494827, 6836660, 12989654, 25979308, 32474135, 64948270, 129896540]

約数ペア:

[(1, 129896540), (2, 64948270), (4, 32474135), (5, 25979308), (10, 12989654), (19, 6836660), (20, 6494827), (38, 3418330), (76, 1709165), (79, 1644260), (95, 1367332), (158, 822130), (190, 683666), (316, 411065), (380, 341833), (395, 328852), (790, 164426), (1501, 86540), (1580, 82213), (3002, 43270), (4327, 30020), (6004, 21635), (7505, 17308), (8654, 15010)]