69891900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17921}}^1$

素因数の和:17951

約数の個数: 72

約数和(自身を含む): 217788144

約数和(自身を除く): 147896244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 17921, 35842, 53763, 71684, 89605, 107526, 179210, 215052, 232973, 268815, 358420, 448025, 465946, 537630, 698919, 896050, 931892, 1075260, 1164865, 1344075, 1397838, 1792100, 2329730, 2688150, 2795676, 3494595, 4659460, 5376300, 5824325, 6989190, 11648650, 13978380, 17472975, 23297300, 34945950, 69891900]

約数ペア:

[(1, 69891900), (2, 34945950), (3, 23297300), (4, 17472975), (5, 13978380), (6, 11648650), (10, 6989190), (12, 5824325), (13, 5376300), (15, 4659460), (20, 3494595), (25, 2795676), (26, 2688150), (30, 2329730), (39, 1792100), (50, 1397838), (52, 1344075), (60, 1164865), (65, 1075260), (75, 931892), (78, 896050), (100, 698919), (130, 537630), (150, 465946), (156, 448025), (195, 358420), (260, 268815), (300, 232973), (325, 215052), (390, 179210), (650, 107526), (780, 89605), (975, 71684), (1300, 53763), (1950, 35842), (3900, 17921)]