1884982940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{87187}}^1$

素因数の和:87266

約数の個数: 48

約数和(自身を含む): 4218504192

約数和(自身を除く): 2333521252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 21620, 87187, 174374, 348748, 435935, 871870, 1743740, 2005301, 4010602, 4097789, 8021204, 8195578, 10026505, 16391156, 20053010, 20488945, 40106020, 40977890, 81955780, 94249147, 188498294, 376996588, 471245735, 942491470, 1884982940]

約数ペア:

[(1, 1884982940), (2, 942491470), (4, 471245735), (5, 376996588), (10, 188498294), (20, 94249147), (23, 81955780), (46, 40977890), (47, 40106020), (92, 20488945), (94, 20053010), (115, 16391156), (188, 10026505), (230, 8195578), (235, 8021204), (460, 4097789), (470, 4010602), (940, 2005301), (1081, 1743740), (2162, 871870), (4324, 435935), (5405, 348748), (10810, 174374), (21620, 87187)]