209728740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268883}}^1$

素因数の和:268908

約数の個数: 48

約数和(自身を含む): 632415168

約数和(自身を除く): 422686428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 268883, 537766, 806649, 1075532, 1344415, 1613298, 2688830, 3226596, 3495479, 4033245, 5377660, 6990958, 8066490, 10486437, 13981916, 16132980, 17477395, 20972874, 34954790, 41945748, 52432185, 69909580, 104864370, 209728740]

約数ペア:

[(1, 209728740), (2, 104864370), (3, 69909580), (4, 52432185), (5, 41945748), (6, 34954790), (10, 20972874), (12, 17477395), (13, 16132980), (15, 13981916), (20, 10486437), (26, 8066490), (30, 6990958), (39, 5377660), (52, 4033245), (60, 3495479), (65, 3226596), (78, 2688830), (130, 1613298), (156, 1344415), (195, 1075532), (260, 806649), (390, 537766), (780, 268883)]