99564940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{547}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 220953600

約数和(自身を除く): 121388660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 479, 547, 958, 1094, 1916, 2188, 2395, 2735, 4790, 5470, 9101, 9580, 10393, 10940, 18202, 20786, 36404, 41572, 45505, 51965, 91010, 103930, 182020, 207860, 262013, 524026, 1048052, 1310065, 2620130, 4978247, 5240260, 9956494, 19912988, 24891235, 49782470, 99564940]

約数ペア:

[(1, 99564940), (2, 49782470), (4, 24891235), (5, 19912988), (10, 9956494), (19, 5240260), (20, 4978247), (38, 2620130), (76, 1310065), (95, 1048052), (190, 524026), (380, 262013), (479, 207860), (547, 182020), (958, 103930), (1094, 91010), (1916, 51965), (2188, 45505), (2395, 41572), (2735, 36404), (4790, 20786), (5470, 18202), (9101, 10940), (9580, 10393)]