221560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 518400

約数和(自身を除く): 296840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 382, 580, 764, 955, 1160, 1528, 1910, 3820, 5539, 7640, 11078, 22156, 27695, 44312, 55390, 110780, 221560]

約数ペア:

[(1, 221560), (2, 110780), (4, 55390), (5, 44312), (8, 27695), (10, 22156), (20, 11078), (29, 7640), (40, 5539), (58, 3820), (116, 1910), (145, 1528), (191, 1160), (232, 955), (290, 764), (382, 580)]