201449980

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{8443}}^1$

素因数の和:9645

約数の個数: 24

約数和(自身を含む): 423449712

約数和(自身を除く): 221999732

約数列:

[1, 2, 4, 5, 10, 20, 1193, 2386, 4772, 5965, 8443, 11930, 16886, 23860, 33772, 42215, 84430, 168860, 10072499, 20144998, 40289996, 50362495, 100724990, 201449980]

約数ペア:

[(1, 201449980), (2, 100724990), (4, 50362495), (5, 40289996), (10, 20144998), (20, 10072499), (1193, 168860), (2386, 84430), (4772, 42215), (5965, 33772), (8443, 23860), (11930, 16886)]