7209380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 15833664

約数和(自身を除く): 8624284

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 101, 166, 172, 202, 215, 332, 404, 415, 430, 505, 830, 860, 1010, 1660, 2020, 3569, 4343, 7138, 8383, 8686, 14276, 16766, 17372, 17845, 21715, 33532, 35690, 41915, 43430, 71380, 83830, 86860, 167660, 360469, 720938, 1441876, 1802345, 3604690, 7209380]

約数ペア:

[(1, 7209380), (2, 3604690), (4, 1802345), (5, 1441876), (10, 720938), (20, 360469), (43, 167660), (83, 86860), (86, 83830), (101, 71380), (166, 43430), (172, 41915), (202, 35690), (215, 33532), (332, 21715), (404, 17845), (415, 17372), (430, 16766), (505, 14276), (830, 8686), (860, 8383), (1010, 7138), (1660, 4343), (2020, 3569)]