211722130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{48449}}^1$

素因数の和:48498

約数の個数: 32

約数和(自身を含む): 418608000

約数和(自身を除く): 206885870

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 48449, 96898, 242245, 484490, 920531, 1114327, 1841062, 2228654, 4602655, 5571635, 9205310, 11143270, 21172213, 42344426, 105861065, 211722130]

約数ペア:

[(1, 211722130), (2, 105861065), (5, 42344426), (10, 21172213), (19, 11143270), (23, 9205310), (38, 5571635), (46, 4602655), (95, 2228654), (115, 1841062), (190, 1114327), (230, 920531), (437, 484490), (874, 242245), (2185, 96898), (4370, 48449)]