13945240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 19750760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 311, 380, 472, 590, 622, 760, 1121, 1180, 1244, 1555, 2242, 2360, 2488, 3110, 4484, 5605, 5909, 6220, 8968, 11210, 11818, 12440, 18349, 22420, 23636, 29545, 36698, 44840, 47272, 59090, 73396, 91745, 118180, 146792, 183490, 236360, 348631, 366980, 697262, 733960, 1394524, 1743155, 2789048, 3486310, 6972620, 13945240]

約数ペア:

[(1, 13945240), (2, 6972620), (4, 3486310), (5, 2789048), (8, 1743155), (10, 1394524), (19, 733960), (20, 697262), (38, 366980), (40, 348631), (59, 236360), (76, 183490), (95, 146792), (118, 118180), (152, 91745), (190, 73396), (236, 59090), (295, 47272), (311, 44840), (380, 36698), (472, 29545), (590, 23636), (622, 22420), (760, 18349), (1121, 12440), (1180, 11818), (1244, 11210), (1555, 8968), (2242, 6220), (2360, 5909), (2488, 5605), (3110, 4484)]