208184470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 417856320

約数和(自身を除く): 209671850

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 139, 205, 278, 281, 410, 533, 562, 695, 1066, 1390, 1405, 1807, 2665, 2810, 3614, 3653, 5330, 5699, 7306, 9035, 11398, 11521, 18070, 18265, 23042, 28495, 36530, 39059, 56990, 57605, 74087, 78118, 115210, 148174, 149773, 195295, 299546, 370435, 390590, 507767, 740870, 748865, 1015534, 1497730, 1601419, 2538835, 3202838, 5077670, 8007095, 16014190, 20818447, 41636894, 104092235, 208184470]

約数ペア:

[(1, 208184470), (2, 104092235), (5, 41636894), (10, 20818447), (13, 16014190), (26, 8007095), (41, 5077670), (65, 3202838), (82, 2538835), (130, 1601419), (139, 1497730), (205, 1015534), (278, 748865), (281, 740870), (410, 507767), (533, 390590), (562, 370435), (695, 299546), (1066, 195295), (1390, 149773), (1405, 148174), (1807, 115210), (2665, 78118), (2810, 74087), (3614, 57605), (3653, 56990), (5330, 39059), (5699, 36530), (7306, 28495), (9035, 23042), (11398, 18265), (11521, 18070)]