8780380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1063}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 21450240

約数和(自身を除く): 12669860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1063, 1180, 1652, 2065, 2126, 4130, 4252, 5315, 7441, 8260, 10630, 14882, 21260, 29764, 37205, 62717, 74410, 125434, 148820, 250868, 313585, 439019, 627170, 878038, 1254340, 1756076, 2195095, 4390190, 8780380]

約数ペア:

[(1, 8780380), (2, 4390190), (4, 2195095), (5, 1756076), (7, 1254340), (10, 878038), (14, 627170), (20, 439019), (28, 313585), (35, 250868), (59, 148820), (70, 125434), (118, 74410), (140, 62717), (236, 37205), (295, 29764), (413, 21260), (590, 14882), (826, 10630), (1063, 8260), (1180, 7441), (1652, 5315), (2065, 4252), (2126, 4130)]