9884420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5460

約数の個数: 48

約数和(自身を含む): 25552128

約数和(自身を除く): 15667708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 5431, 10862, 21724, 27155, 38017, 54310, 70603, 76034, 108620, 141206, 152068, 190085, 282412, 353015, 380170, 494221, 706030, 760340, 988442, 1412060, 1976884, 2471105, 4942210, 9884420]

約数ペア:

[(1, 9884420), (2, 4942210), (4, 2471105), (5, 1976884), (7, 1412060), (10, 988442), (13, 760340), (14, 706030), (20, 494221), (26, 380170), (28, 353015), (35, 282412), (52, 190085), (65, 152068), (70, 141206), (91, 108620), (130, 76034), (140, 70603), (182, 54310), (260, 38017), (364, 27155), (455, 21724), (910, 10862), (1820, 5431)]