214622840

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{8293}}^1$

素因数の和:8951

約数の個数: 32

約数和(自身を含む): 483706080

約数和(自身を除く): 269083240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 8293, 12940, 16586, 25880, 33172, 41465, 66344, 82930, 165860, 331720, 5365571, 10731142, 21462284, 26827855, 42924568, 53655710, 107311420, 214622840]

約数ペア:

[(1, 214622840), (2, 107311420), (4, 53655710), (5, 42924568), (8, 26827855), (10, 21462284), (20, 10731142), (40, 5365571), (647, 331720), (1294, 165860), (2588, 82930), (3235, 66344), (5176, 41465), (6470, 33172), (8293, 25880), (12940, 16586)]