198009280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{88397}}^1$

素因数の和:88421

約数の個数: 56

約数和(自身を含む): 538874208

約数和(自身を除く): 340864928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 88397, 176794, 353588, 441985, 618779, 707176, 883970, 1237558, 1414352, 1767940, 2475116, 2828704, 3093895, 3535880, 4950232, 5657408, 6187790, 7071760, 9900464, 12375580, 14143520, 19800928, 24751160, 28287040, 39601856, 49502320, 99004640, 198009280]

約数ペア:

[(1, 198009280), (2, 99004640), (4, 49502320), (5, 39601856), (7, 28287040), (8, 24751160), (10, 19800928), (14, 14143520), (16, 12375580), (20, 9900464), (28, 7071760), (32, 6187790), (35, 5657408), (40, 4950232), (56, 3535880), (64, 3093895), (70, 2828704), (80, 2475116), (112, 1767940), (140, 1414352), (160, 1237558), (224, 883970), (280, 707176), (320, 618779), (448, 441985), (560, 353588), (1120, 176794), (2240, 88397)]