217718440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{56113}}^1$

素因数の和:56221

約数の個数: 32

約数和(自身を含む): 494925480

約数和(自身を除く): 277207040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 56113, 112226, 224452, 280565, 448904, 561130, 1122260, 2244520, 5442961, 10885922, 21771844, 27214805, 43543688, 54429610, 108859220, 217718440]

約数ペア:

[(1, 217718440), (2, 108859220), (4, 54429610), (5, 43543688), (8, 27214805), (10, 21771844), (20, 10885922), (40, 5442961), (97, 2244520), (194, 1122260), (388, 561130), (485, 448904), (776, 280565), (970, 224452), (1940, 112226), (3880, 56113)]