780777790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{26227}}^1$

素因数の和:26476

約数の個数: 32

約数和(自身を含む): 1520174880

約数和(自身を除く): 739397090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 14885, 26227, 29770, 52454, 131135, 262270, 340951, 681902, 1704755, 3409510, 6005983, 12011966, 30029915, 60059830, 78077779, 156155558, 390388895, 780777790]

約数ペア:

[(1, 780777790), (2, 390388895), (5, 156155558), (10, 78077779), (13, 60059830), (26, 30029915), (65, 12011966), (130, 6005983), (229, 3409510), (458, 1704755), (1145, 681902), (2290, 340951), (2977, 262270), (5954, 131135), (14885, 52454), (26227, 29770)]