243587120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434977}}^1$

素因数の和:434997

約数の個数: 40

約数和(自身を含む): 647247264

約数和(自身を除く): 403660144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434977, 869954, 1739908, 2174885, 3044839, 3479816, 4349770, 6089678, 6959632, 8699540, 12179356, 15224195, 17399080, 24358712, 30448390, 34798160, 48717424, 60896780, 121793560, 243587120]

約数ペア:

[(1, 243587120), (2, 121793560), (4, 60896780), (5, 48717424), (7, 34798160), (8, 30448390), (10, 24358712), (14, 17399080), (16, 15224195), (20, 12179356), (28, 8699540), (35, 6959632), (40, 6089678), (56, 4349770), (70, 3479816), (80, 3044839), (112, 2174885), (140, 1739908), (280, 869954), (560, 434977)]