488927780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{7853}}^1$

素因数の和:8156

約数の個数: 48

約数和(自身を含む): 1124190144

約数和(自身を除く): 635262364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 1132, 1415, 2830, 3113, 5660, 6226, 7853, 12452, 15565, 15706, 31130, 31412, 39265, 62260, 78530, 86383, 157060, 172766, 345532, 431915, 863830, 1727660, 2222399, 4444798, 8889596, 11111995, 22223990, 24446389, 44447980, 48892778, 97785556, 122231945, 244463890, 488927780]

約数ペア:

[(1, 488927780), (2, 244463890), (4, 122231945), (5, 97785556), (10, 48892778), (11, 44447980), (20, 24446389), (22, 22223990), (44, 11111995), (55, 8889596), (110, 4444798), (220, 2222399), (283, 1727660), (566, 863830), (1132, 431915), (1415, 345532), (2830, 172766), (3113, 157060), (5660, 86383), (6226, 78530), (7853, 62260), (12452, 39265), (15565, 31412), (15706, 31130)]