5556554780420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{445951427}}^1$

素因数の和:445951532

約数の個数: 48

約数和(自身を含む): 13485571182720

約数和(自身を除く): 7929016402300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 445951427, 891902854, 1783805708, 2229757135, 3121659989, 4459514270, 6243319978, 8919028540, 12486639956, 15608299945, 31216599890, 39689677003, 62433199780, 79379354006, 158758708012, 198448385015, 277827739021, 396896770030, 555655478042, 793793540060, 1111310956084, 1389138695105, 2778277390210, 5556554780420]

約数ペア:

[(1, 5556554780420), (2, 2778277390210), (4, 1389138695105), (5, 1111310956084), (7, 793793540060), (10, 555655478042), (14, 396896770030), (20, 277827739021), (28, 198448385015), (35, 158758708012), (70, 79379354006), (89, 62433199780), (140, 39689677003), (178, 31216599890), (356, 15608299945), (445, 12486639956), (623, 8919028540), (890, 6243319978), (1246, 4459514270), (1780, 3121659989), (2492, 2229757135), (3115, 1783805708), (6230, 891902854), (12460, 445951427)]