198375780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21059}}^1$

素因数の和:21228

約数の個数: 48

約数和(自身を含む): 559016640

約数和(自身を除く): 360640860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 21059, 42118, 63177, 84236, 105295, 126354, 210590, 252708, 315885, 421180, 631770, 1263540, 3306263, 6612526, 9918789, 13225052, 16531315, 19837578, 33062630, 39675156, 49593945, 66125260, 99187890, 198375780]

約数ペア:

[(1, 198375780), (2, 99187890), (3, 66125260), (4, 49593945), (5, 39675156), (6, 33062630), (10, 19837578), (12, 16531315), (15, 13225052), (20, 9918789), (30, 6612526), (60, 3306263), (157, 1263540), (314, 631770), (471, 421180), (628, 315885), (785, 252708), (942, 210590), (1570, 126354), (1884, 105295), (2355, 84236), (3140, 63177), (4710, 42118), (9420, 21059)]