280844564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70141}}^1$

素因数の和:70176

約数の個数: 48

約数和(自身を含む): 659895936

約数和(自身を除く): 379051372

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 70141, 140282, 280564, 490987, 771551, 911833, 981974, 1543102, 1823666, 1963948, 3086204, 3647332, 5400857, 6382831, 10030163, 10801714, 12765662, 20060326, 21603428, 25531324, 40120652, 70211141, 140422282, 280844564]

約数ペア:

[(1, 280844564), (2, 140422282), (4, 70211141), (7, 40120652), (11, 25531324), (13, 21603428), (14, 20060326), (22, 12765662), (26, 10801714), (28, 10030163), (44, 6382831), (52, 5400857), (77, 3647332), (91, 3086204), (143, 1963948), (154, 1823666), (182, 1543102), (286, 981974), (308, 911833), (364, 771551), (572, 490987), (1001, 280564), (2002, 140282), (4004, 70141)]