286722140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8779}}^1$

素因数の和:8882

約数の個数: 48

約数和(自身を含む): 637217280

約数和(自身を除く): 350495140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 8165, 8779, 16330, 17558, 32660, 35116, 43895, 87790, 175580, 201917, 403834, 623309, 807668, 1009585, 1246618, 2019170, 2493236, 3116545, 4038340, 6233090, 12466180, 14336107, 28672214, 57344428, 71680535, 143361070, 286722140]

約数ペア:

[(1, 286722140), (2, 143361070), (4, 71680535), (5, 57344428), (10, 28672214), (20, 14336107), (23, 12466180), (46, 6233090), (71, 4038340), (92, 3116545), (115, 2493236), (142, 2019170), (230, 1246618), (284, 1009585), (355, 807668), (460, 623309), (710, 403834), (1420, 201917), (1633, 175580), (3266, 87790), (6532, 43895), (8165, 35116), (8779, 32660), (16330, 17558)]