186502180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{947}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 402937920

約数和(自身を除く): 216435740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 430, 458, 860, 916, 947, 1145, 1894, 2290, 3788, 4580, 4735, 9470, 9847, 18940, 19694, 39388, 40721, 49235, 81442, 98470, 162884, 196940, 203605, 216863, 407210, 433726, 814420, 867452, 1084315, 2168630, 4337260, 9325109, 18650218, 37300436, 46625545, 93251090, 186502180]

約数ペア:

[(1, 186502180), (2, 93251090), (4, 46625545), (5, 37300436), (10, 18650218), (20, 9325109), (43, 4337260), (86, 2168630), (172, 1084315), (215, 867452), (229, 814420), (430, 433726), (458, 407210), (860, 216863), (916, 203605), (947, 196940), (1145, 162884), (1894, 98470), (2290, 81442), (3788, 49235), (4580, 40721), (4735, 39388), (9470, 19694), (9847, 18940)]