344221520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138799}}^1$

素因数の和:138843

約数の個数: 40

約数和(自身を含む): 826137600

約数和(自身を除く): 481916080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 138799, 277598, 555196, 693995, 1110392, 1387990, 2220784, 2775980, 4302769, 5551960, 8605538, 11103920, 17211076, 21513845, 34422152, 43027690, 68844304, 86055380, 172110760, 344221520]

約数ペア:

[(1, 344221520), (2, 172110760), (4, 86055380), (5, 68844304), (8, 43027690), (10, 34422152), (16, 21513845), (20, 17211076), (31, 11103920), (40, 8605538), (62, 5551960), (80, 4302769), (124, 2775980), (155, 2220784), (248, 1387990), (310, 1110392), (496, 693995), (620, 555196), (1240, 277598), (2480, 138799)]