9974020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 24127488

約数和(自身を除く): 14153468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 373, 382, 746, 764, 955, 1337, 1492, 1865, 1910, 2611, 2674, 3730, 3820, 5222, 5348, 6685, 7460, 10444, 13055, 13370, 26110, 26740, 52220, 71243, 142486, 284972, 356215, 498701, 712430, 997402, 1424860, 1994804, 2493505, 4987010, 9974020]

約数ペア:

[(1, 9974020), (2, 4987010), (4, 2493505), (5, 1994804), (7, 1424860), (10, 997402), (14, 712430), (20, 498701), (28, 356215), (35, 284972), (70, 142486), (140, 71243), (191, 52220), (373, 26740), (382, 26110), (746, 13370), (764, 13055), (955, 10444), (1337, 7460), (1492, 6685), (1865, 5348), (1910, 5222), (2611, 3820), (2674, 3730)]