211682990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2659}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 402192000

約数和(自身を除く): 190509010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 2659, 4190, 5318, 7961, 13295, 15922, 26590, 39805, 50521, 79610, 101042, 252605, 505210, 1114121, 2228242, 5570605, 11141210, 21168299, 42336598, 105841495, 211682990]

約数ペア:

[(1, 211682990), (2, 105841495), (5, 42336598), (10, 21168299), (19, 11141210), (38, 5570605), (95, 2228242), (190, 1114121), (419, 505210), (838, 252605), (2095, 101042), (2659, 79610), (4190, 50521), (5318, 39805), (7961, 26590), (13295, 15922)]