281447120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{48193}}^1$

素因数の和:48279

約数の個数: 40

約数和(自身を含む): 663342216

約数和(自身を除く): 381895096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 48193, 96386, 192772, 240965, 385544, 481930, 771088, 963860, 1927720, 3518089, 3855440, 7036178, 14072356, 17590445, 28144712, 35180890, 56289424, 70361780, 140723560, 281447120]

約数ペア:

[(1, 281447120), (2, 140723560), (4, 70361780), (5, 56289424), (8, 35180890), (10, 28144712), (16, 17590445), (20, 14072356), (40, 7036178), (73, 3855440), (80, 3518089), (146, 1927720), (292, 963860), (365, 771088), (584, 481930), (730, 385544), (1168, 240965), (1460, 192772), (2920, 96386), (5840, 48193)]