108997780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 236234880

約数和(自身を除く): 127237100

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 1180, 1301, 1420, 2602, 4189, 5204, 6505, 8378, 13010, 16756, 20945, 26020, 41890, 76759, 83780, 92371, 153518, 184742, 307036, 369484, 383795, 461855, 767590, 923710, 1535180, 1847420, 5449889, 10899778, 21799556, 27249445, 54498890, 108997780]

約数ペア:

[(1, 108997780), (2, 54498890), (4, 27249445), (5, 21799556), (10, 10899778), (20, 5449889), (59, 1847420), (71, 1535180), (118, 923710), (142, 767590), (236, 461855), (284, 383795), (295, 369484), (355, 307036), (590, 184742), (710, 153518), (1180, 92371), (1301, 83780), (1420, 76759), (2602, 41890), (4189, 26020), (5204, 20945), (6505, 16756), (8378, 13010)]