505968980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{74189}}^1$

素因数の和:74240

約数の個数: 48

約数和(自身を含む): 1196536320

約数和(自身を除く): 690567340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 74189, 148378, 296756, 370945, 741890, 816079, 1483780, 1632158, 2299859, 3264316, 4080395, 4599718, 8160790, 9199436, 11499295, 16321580, 22998590, 25298449, 45997180, 50596898, 101193796, 126492245, 252984490, 505968980]

約数ペア:

[(1, 505968980), (2, 252984490), (4, 126492245), (5, 101193796), (10, 50596898), (11, 45997180), (20, 25298449), (22, 22998590), (31, 16321580), (44, 11499295), (55, 9199436), (62, 8160790), (110, 4599718), (124, 4080395), (155, 3264316), (220, 2299859), (310, 1632158), (341, 1483780), (620, 816079), (682, 741890), (1364, 370945), (1705, 296756), (3410, 148378), (6820, 74189)]