439508420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5107}}^1$

素因数の和:5460

約数の個数: 48

約数和(自身を含む): 997163328

約数和(自身を除く): 557654908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1655, 3310, 4303, 5107, 6620, 8606, 10214, 17212, 20428, 21515, 25535, 43030, 51070, 66391, 86060, 102140, 132782, 265564, 331955, 663910, 1327820, 1690417, 3380834, 6761668, 8452085, 16904170, 21975421, 33808340, 43950842, 87901684, 109877105, 219754210, 439508420]

約数ペア:

[(1, 439508420), (2, 219754210), (4, 109877105), (5, 87901684), (10, 43950842), (13, 33808340), (20, 21975421), (26, 16904170), (52, 8452085), (65, 6761668), (130, 3380834), (260, 1690417), (331, 1327820), (662, 663910), (1324, 331955), (1655, 265564), (3310, 132782), (4303, 102140), (5107, 86060), (6620, 66391), (8606, 51070), (10214, 43030), (17212, 25535), (20428, 21515)]