222780040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{795643}}^1$

素因数の和:795661

約数の個数: 32

約数和(自身を含む): 572863680

約数和(自身を除く): 350083640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 795643, 1591286, 3182572, 3978215, 5569501, 6365144, 7956430, 11139002, 15912860, 22278004, 27847505, 31825720, 44556008, 55695010, 111390020, 222780040]

約数ペア:

[(1, 222780040), (2, 111390020), (4, 55695010), (5, 44556008), (7, 31825720), (8, 27847505), (10, 22278004), (14, 15912860), (20, 11139002), (28, 7956430), (35, 6365144), (40, 5569501), (56, 3978215), (70, 3182572), (140, 1591286), (280, 795643)]