172990540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7541}}^1$

素因数の和:7618

約数の個数: 48

約数和(自身を含む): 385185024

約数和(自身を除く): 212194484

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, 7541, 11470, 15082, 22940, 30164, 37705, 75410, 150820, 233771, 279017, 467542, 558034, 935084, 1116068, 1168855, 1395085, 2337710, 2790170, 4675420, 5580340, 8649527, 17299054, 34598108, 43247635, 86495270, 172990540]

約数ペア:

[(1, 172990540), (2, 86495270), (4, 43247635), (5, 34598108), (10, 17299054), (20, 8649527), (31, 5580340), (37, 4675420), (62, 2790170), (74, 2337710), (124, 1395085), (148, 1168855), (155, 1116068), (185, 935084), (310, 558034), (370, 467542), (620, 279017), (740, 233771), (1147, 150820), (2294, 75410), (4588, 37705), (5735, 30164), (7541, 22940), (11470, 15082)]