408079660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{17789}}^1$

素因数の和:17866

約数の個数: 48

約数和(自身を含む): 908570880

約数和(自身を除く): 500491220

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 17789, 22940, 35578, 71156, 88945, 177890, 355780, 551459, 658193, 1102918, 1316386, 2205836, 2632772, 2757295, 3290965, 5514590, 6581930, 11029180, 13163860, 20403983, 40807966, 81615932, 102019915, 204039830, 408079660]

約数ペア:

[(1, 408079660), (2, 204039830), (4, 102019915), (5, 81615932), (10, 40807966), (20, 20403983), (31, 13163860), (37, 11029180), (62, 6581930), (74, 5514590), (124, 3290965), (148, 2757295), (155, 2632772), (185, 2205836), (310, 1316386), (370, 1102918), (620, 658193), (740, 551459), (1147, 355780), (2294, 177890), (4588, 88945), (5735, 71156), (11470, 35578), (17789, 22940)]