1120340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 2634240

約数和(自身を除く): 1513900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 139, 155, 260, 278, 310, 403, 556, 620, 695, 806, 1390, 1612, 1807, 2015, 2780, 3614, 4030, 4309, 7228, 8060, 8618, 9035, 17236, 18070, 21545, 36140, 43090, 56017, 86180, 112034, 224068, 280085, 560170, 1120340]

約数ペア:

[(1, 1120340), (2, 560170), (4, 280085), (5, 224068), (10, 112034), (13, 86180), (20, 56017), (26, 43090), (31, 36140), (52, 21545), (62, 18070), (65, 17236), (124, 9035), (130, 8618), (139, 8060), (155, 7228), (260, 4309), (278, 4030), (310, 3614), (403, 2780), (556, 2015), (620, 1807), (695, 1612), (806, 1390)]