388630660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{10211}}^1$

素因数の和:10404

約数の個数: 48

約数和(自身を含む): 895551552

約数和(自身を除く): 506920892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 7612, 9515, 10211, 19030, 20422, 38060, 40844, 51055, 102110, 112321, 204220, 224642, 449284, 561605, 1123210, 1766503, 2246420, 3533006, 7066012, 8832515, 17665030, 19431533, 35330060, 38863066, 77726132, 97157665, 194315330, 388630660]

約数ペア:

[(1, 388630660), (2, 194315330), (4, 97157665), (5, 77726132), (10, 38863066), (11, 35330060), (20, 19431533), (22, 17665030), (44, 8832515), (55, 7066012), (110, 3533006), (173, 2246420), (220, 1766503), (346, 1123210), (692, 561605), (865, 449284), (1730, 224642), (1903, 204220), (3460, 112321), (3806, 102110), (7612, 51055), (9515, 40844), (10211, 38060), (19030, 20422)]