2280459940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{20773}}^1$

素因数の和:21292

約数の個数: 48

約数和(自身を含む): 5235048000

約数和(自身を除く): 2954588060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 499, 998, 1996, 2495, 4990, 5489, 9980, 10978, 20773, 21956, 27445, 41546, 54890, 83092, 103865, 109780, 207730, 228503, 415460, 457006, 914012, 1142515, 2285030, 4570060, 10365727, 20731454, 41462908, 51828635, 103657270, 114022997, 207314540, 228045994, 456091988, 570114985, 1140229970, 2280459940]

約数ペア:

[(1, 2280459940), (2, 1140229970), (4, 570114985), (5, 456091988), (10, 228045994), (11, 207314540), (20, 114022997), (22, 103657270), (44, 51828635), (55, 41462908), (110, 20731454), (220, 10365727), (499, 4570060), (998, 2285030), (1996, 1142515), (2495, 914012), (4990, 457006), (5489, 415460), (9980, 228503), (10978, 207730), (20773, 109780), (21956, 103865), (27445, 83092), (41546, 54890)]