78243100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 184588880

約数和(自身を除く): 106345780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 433, 556, 650, 695, 866, 1300, 1390, 1732, 1807, 2165, 2780, 3475, 3614, 4330, 5629, 6950, 7228, 8660, 9035, 10825, 11258, 13900, 18070, 21650, 22516, 28145, 36140, 43300, 45175, 56290, 60187, 90350, 112580, 120374, 140725, 180700, 240748, 281450, 300935, 562900, 601870, 782431, 1203740, 1504675, 1564862, 3009350, 3129724, 3912155, 6018700, 7824310, 15648620, 19560775, 39121550, 78243100]

約数ペア:

[(1, 78243100), (2, 39121550), (4, 19560775), (5, 15648620), (10, 7824310), (13, 6018700), (20, 3912155), (25, 3129724), (26, 3009350), (50, 1564862), (52, 1504675), (65, 1203740), (100, 782431), (130, 601870), (139, 562900), (260, 300935), (278, 281450), (325, 240748), (433, 180700), (556, 140725), (650, 120374), (695, 112580), (866, 90350), (1300, 60187), (1390, 56290), (1732, 45175), (1807, 43300), (2165, 36140), (2780, 28145), (3475, 22516), (3614, 21650), (4330, 18070), (5629, 13900), (6950, 11258), (7228, 10825), (8660, 9035)]