158903800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{72229}}^1$

素因数の和:72256

約数の個数: 48

約数和(自身を含む): 403043400

約数和(自身を除く): 244139600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 72229, 144458, 288916, 361145, 577832, 722290, 794519, 1444580, 1589038, 1805725, 2889160, 3178076, 3611450, 3972595, 6356152, 7222900, 7945190, 14445800, 15890380, 19862975, 31780760, 39725950, 79451900, 158903800]

約数ペア:

[(1, 158903800), (2, 79451900), (4, 39725950), (5, 31780760), (8, 19862975), (10, 15890380), (11, 14445800), (20, 7945190), (22, 7222900), (25, 6356152), (40, 3972595), (44, 3611450), (50, 3178076), (55, 2889160), (88, 1805725), (100, 1589038), (110, 1444580), (200, 794519), (220, 722290), (275, 577832), (440, 361145), (550, 288916), (1100, 144458), (2200, 72229)]