209266420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41357}}^1$

素因数の和:41400

約数の個数: 48

約数和(自身を含む): 500266368

約数和(自身を除く): 290999948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 41357, 82714, 165428, 206785, 413570, 454927, 827140, 909854, 951211, 1819708, 1902422, 2274635, 3804844, 4549270, 4756055, 9098540, 9512110, 10463321, 19024220, 20926642, 41853284, 52316605, 104633210, 209266420]

約数ペア:

[(1, 209266420), (2, 104633210), (4, 52316605), (5, 41853284), (10, 20926642), (11, 19024220), (20, 10463321), (22, 9512110), (23, 9098540), (44, 4756055), (46, 4549270), (55, 3804844), (92, 2274635), (110, 1902422), (115, 1819708), (220, 951211), (230, 909854), (253, 827140), (460, 454927), (506, 413570), (1012, 206785), (1265, 165428), (2530, 82714), (5060, 41357)]