8384460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19963}}^1$

素因数の和:19982

約数の個数: 48

約数和(自身を含む): 26831616

約数和(自身を除く): 18447156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19963, 39926, 59889, 79852, 99815, 119778, 139741, 199630, 239556, 279482, 299445, 399260, 419223, 558964, 598890, 698705, 838446, 1197780, 1397410, 1676892, 2096115, 2794820, 4192230, 8384460]

約数ペア:

[(1, 8384460), (2, 4192230), (3, 2794820), (4, 2096115), (5, 1676892), (6, 1397410), (7, 1197780), (10, 838446), (12, 698705), (14, 598890), (15, 558964), (20, 419223), (21, 399260), (28, 299445), (30, 279482), (35, 239556), (42, 199630), (60, 139741), (70, 119778), (84, 99815), (105, 79852), (140, 59889), (210, 39926), (420, 19963)]