220111904

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4809

約数の個数: 48

約数和(自身を含む): 456938496

約数和(自身を除く): 236826592

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 496, 752, 992, 1457, 1504, 2914, 4721, 5828, 9442, 11656, 18884, 23312, 37768, 46624, 75536, 146351, 151072, 221887, 292702, 443774, 585404, 887548, 1170808, 1775096, 2341616, 3550192, 4683232, 6878497, 7100384, 13756994, 27513988, 55027976, 110055952, 220111904]

約数ペア:

[(1, 220111904), (2, 110055952), (4, 55027976), (8, 27513988), (16, 13756994), (31, 7100384), (32, 6878497), (47, 4683232), (62, 3550192), (94, 2341616), (124, 1775096), (188, 1170808), (248, 887548), (376, 585404), (496, 443774), (752, 292702), (992, 221887), (1457, 151072), (1504, 146351), (2914, 75536), (4721, 46624), (5828, 37768), (9442, 23312), (11656, 18884)]