30509180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 69412224

約数和(自身を除く): 38903044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 433, 542, 866, 1084, 1355, 1732, 2165, 2710, 3523, 4330, 5420, 5629, 7046, 8660, 11258, 14092, 17615, 22516, 28145, 35230, 56290, 70460, 112580, 117343, 234686, 469372, 586715, 1173430, 1525459, 2346860, 3050918, 6101836, 7627295, 15254590, 30509180]

約数ペア:

[(1, 30509180), (2, 15254590), (4, 7627295), (5, 6101836), (10, 3050918), (13, 2346860), (20, 1525459), (26, 1173430), (52, 586715), (65, 469372), (130, 234686), (260, 117343), (271, 112580), (433, 70460), (542, 56290), (866, 35230), (1084, 28145), (1355, 22516), (1732, 17615), (2165, 14092), (2710, 11258), (3523, 8660), (4330, 7046), (5420, 5629)]