7186420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 15902208

約数和(自身を除く): 8715788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 173, 268, 310, 335, 346, 620, 670, 692, 865, 1340, 1730, 2077, 3460, 4154, 5363, 8308, 10385, 10726, 11591, 20770, 21452, 23182, 26815, 41540, 46364, 53630, 57955, 107260, 115910, 231820, 359321, 718642, 1437284, 1796605, 3593210, 7186420]

約数ペア:

[(1, 7186420), (2, 3593210), (4, 1796605), (5, 1437284), (10, 718642), (20, 359321), (31, 231820), (62, 115910), (67, 107260), (124, 57955), (134, 53630), (155, 46364), (173, 41540), (268, 26815), (310, 23182), (335, 21452), (346, 20770), (620, 11591), (670, 10726), (692, 10385), (865, 8308), (1340, 5363), (1730, 4154), (2077, 3460)]