30398420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 70371840

約数和(自身を除く): 39973420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2719, 2795, 5438, 5590, 10876, 11180, 13595, 27190, 35347, 54380, 70694, 116917, 141388, 176735, 233834, 353470, 467668, 584585, 706940, 1169170, 1519921, 2338340, 3039842, 6079684, 7599605, 15199210, 30398420]

約数ペア:

[(1, 30398420), (2, 15199210), (4, 7599605), (5, 6079684), (10, 3039842), (13, 2338340), (20, 1519921), (26, 1169170), (43, 706940), (52, 584585), (65, 467668), (86, 353470), (130, 233834), (172, 176735), (215, 141388), (260, 116917), (430, 70694), (559, 54380), (860, 35347), (1118, 27190), (2236, 13595), (2719, 11180), (2795, 10876), (5438, 5590)]