42117880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{419}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 108864000

約数和(自身を除く): 66746120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 419, 718, 838, 1436, 1676, 1795, 2095, 2513, 2872, 2933, 3352, 3590, 4190, 5026, 5866, 7180, 8380, 10052, 11732, 12565, 14360, 14665, 16760, 20104, 23464, 25130, 29330, 50260, 58660, 100520, 117320, 150421, 300842, 601684, 752105, 1052947, 1203368, 1504210, 2105894, 3008420, 4211788, 5264735, 6016840, 8423576, 10529470, 21058940, 42117880]

約数ペア:

[(1, 42117880), (2, 21058940), (4, 10529470), (5, 8423576), (7, 6016840), (8, 5264735), (10, 4211788), (14, 3008420), (20, 2105894), (28, 1504210), (35, 1203368), (40, 1052947), (56, 752105), (70, 601684), (140, 300842), (280, 150421), (359, 117320), (419, 100520), (718, 58660), (838, 50260), (1436, 29330), (1676, 25130), (1795, 23464), (2095, 20104), (2513, 16760), (2872, 14665), (2933, 14360), (3352, 12565), (3590, 11732), (4190, 10052), (5026, 8380), (5866, 7180)]