288860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 719712

約数和(自身を除く): 430852

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 101, 110, 130, 143, 202, 220, 260, 286, 404, 505, 572, 715, 1010, 1111, 1313, 1430, 2020, 2222, 2626, 2860, 4444, 5252, 5555, 6565, 11110, 13130, 14443, 22220, 26260, 28886, 57772, 72215, 144430, 288860]

約数ペア:

[(1, 288860), (2, 144430), (4, 72215), (5, 57772), (10, 28886), (11, 26260), (13, 22220), (20, 14443), (22, 13130), (26, 11110), (44, 6565), (52, 5555), (55, 5252), (65, 4444), (101, 2860), (110, 2626), (130, 2222), (143, 2020), (202, 1430), (220, 1313), (260, 1111), (286, 1010), (404, 715), (505, 572)]