202120780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4937}}^1$

素因数の和:5058

約数の個数: 48

約数和(自身を含む): 447975360

約数和(自身を除く): 245854580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 4937, 8188, 9874, 10235, 19748, 20470, 24685, 40940, 49370, 98740, 113551, 227102, 439393, 454204, 567755, 878786, 1135510, 1757572, 2196965, 2271020, 4393930, 8787860, 10106039, 20212078, 40424156, 50530195, 101060390, 202120780]

約数ペア:

[(1, 202120780), (2, 101060390), (4, 50530195), (5, 40424156), (10, 20212078), (20, 10106039), (23, 8787860), (46, 4393930), (89, 2271020), (92, 2196965), (115, 1757572), (178, 1135510), (230, 878786), (356, 567755), (445, 454204), (460, 439393), (890, 227102), (1780, 113551), (2047, 98740), (4094, 49370), (4937, 40940), (8188, 24685), (9874, 20470), (10235, 19748)]