73428940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2591}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 94221620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2591, 2834, 5182, 5668, 7085, 10364, 12955, 14170, 25910, 28340, 33683, 51820, 67366, 134732, 168415, 282419, 336830, 564838, 673660, 1129676, 1412095, 2824190, 3671447, 5648380, 7342894, 14685788, 18357235, 36714470, 73428940]

約数ペア:

[(1, 73428940), (2, 36714470), (4, 18357235), (5, 14685788), (10, 7342894), (13, 5648380), (20, 3671447), (26, 2824190), (52, 1412095), (65, 1129676), (109, 673660), (130, 564838), (218, 336830), (260, 282419), (436, 168415), (545, 134732), (1090, 67366), (1417, 51820), (2180, 33683), (2591, 28340), (2834, 25910), (5182, 14170), (5668, 12955), (7085, 10364)]