91244840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 217512000

約数和(自身を除く): 126267160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 569, 760, 844, 1055, 1138, 1688, 2110, 2276, 2845, 4009, 4220, 4552, 5690, 8018, 8440, 10811, 11380, 16036, 20045, 21622, 22760, 32072, 40090, 43244, 54055, 80180, 86488, 108110, 120059, 160360, 216220, 240118, 432440, 480236, 600295, 960472, 1200590, 2281121, 2401180, 4562242, 4802360, 9124484, 11405605, 18248968, 22811210, 45622420, 91244840]

約数ペア:

[(1, 91244840), (2, 45622420), (4, 22811210), (5, 18248968), (8, 11405605), (10, 9124484), (19, 4802360), (20, 4562242), (38, 2401180), (40, 2281121), (76, 1200590), (95, 960472), (152, 600295), (190, 480236), (211, 432440), (380, 240118), (422, 216220), (569, 160360), (760, 120059), (844, 108110), (1055, 86488), (1138, 80180), (1688, 54055), (2110, 43244), (2276, 40090), (2845, 32072), (4009, 22760), (4220, 21622), (4552, 20045), (5690, 16036), (8018, 11380), (8440, 10811)]