219224560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88397}}^1$

素因数の和:88441

約数の個数: 40

約数和(自身を含む): 526144896

約数和(自身を除く): 306920336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88397, 176794, 353588, 441985, 707176, 883970, 1414352, 1767940, 2740307, 3535880, 5480614, 7071760, 10961228, 13701535, 21922456, 27403070, 43844912, 54806140, 109612280, 219224560]

約数ペア:

[(1, 219224560), (2, 109612280), (4, 54806140), (5, 43844912), (8, 27403070), (10, 21922456), (16, 13701535), (20, 10961228), (31, 7071760), (40, 5480614), (62, 3535880), (80, 2740307), (124, 1767940), (155, 1414352), (248, 883970), (310, 707176), (496, 441985), (620, 353588), (1240, 176794), (2480, 88397)]