379353336760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{155472679}}^1$

素因数の和:155472751

約数の個数: 32

約数和(自身を含む): 867537554400

約数和(自身を除く): 488184217640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 155472679, 310945358, 621890716, 777363395, 1243781432, 1554726790, 3109453580, 6218907160, 9483833419, 18967666838, 37935333676, 47419167095, 75870667352, 94838334190, 189676668380, 379353336760]

約数ペア:

[(1, 379353336760), (2, 189676668380), (4, 94838334190), (5, 75870667352), (8, 47419167095), (10, 37935333676), (20, 18967666838), (40, 9483833419), (61, 6218907160), (122, 3109453580), (244, 1554726790), (305, 1243781432), (488, 777363395), (610, 621890716), (1220, 310945358), (2440, 155472679)]