1290215060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{8693}}^1$

素因数の和:8924

約数の個数: 48

約数和(自身を含む): 2791191312

約数和(自身を除く): 1500976252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 205, 362, 410, 724, 820, 905, 1810, 3620, 7421, 8693, 14842, 17386, 29684, 34772, 37105, 43465, 74210, 86930, 148420, 173860, 356413, 712826, 1425652, 1573433, 1782065, 3146866, 3564130, 6293732, 7128260, 7867165, 15734330, 31468660, 64510753, 129021506, 258043012, 322553765, 645107530, 1290215060]

約数ペア:

[(1, 1290215060), (2, 645107530), (4, 322553765), (5, 258043012), (10, 129021506), (20, 64510753), (41, 31468660), (82, 15734330), (164, 7867165), (181, 7128260), (205, 6293732), (362, 3564130), (410, 3146866), (724, 1782065), (820, 1573433), (905, 1425652), (1810, 712826), (3620, 356413), (7421, 173860), (8693, 148420), (14842, 86930), (17386, 74210), (29684, 43465), (34772, 37105)]