201977320

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{18229}}^1$

素因数の和:18517

約数の個数: 32

約数和(自身を含む): 456114600

約数和(自身を除く): 254137280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 18229, 36458, 72916, 91145, 145832, 182290, 364580, 729160, 5049433, 10098866, 20197732, 25247165, 40395464, 50494330, 100988660, 201977320]

約数ペア:

[(1, 201977320), (2, 100988660), (4, 50494330), (5, 40395464), (8, 25247165), (10, 20197732), (20, 10098866), (40, 5049433), (277, 729160), (554, 364580), (1108, 182290), (1385, 145832), (2216, 91145), (2770, 72916), (5540, 36458), (11080, 18229)]