1945693970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{8641}}^1$

素因数の和:8771

約数の個数: 64

約数和(自身を含む): 4032011520

約数和(自身を除く): 2086317550

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 89, 110, 115, 178, 230, 253, 445, 506, 890, 979, 1265, 1958, 2047, 2530, 4094, 4895, 8641, 9790, 10235, 17282, 20470, 22517, 43205, 45034, 86410, 95051, 112585, 190102, 198743, 225170, 397486, 475255, 769049, 950510, 993715, 1538098, 1987430, 2186173, 3845245, 4372346, 7690490, 8459539, 10930865, 16919078, 17688127, 21861730, 35376254, 42297695, 84595390, 88440635, 176881270, 194569397, 389138794, 972846985, 1945693970]

約数ペア:

[(1, 1945693970), (2, 972846985), (5, 389138794), (10, 194569397), (11, 176881270), (22, 88440635), (23, 84595390), (46, 42297695), (55, 35376254), (89, 21861730), (110, 17688127), (115, 16919078), (178, 10930865), (230, 8459539), (253, 7690490), (445, 4372346), (506, 3845245), (890, 2186173), (979, 1987430), (1265, 1538098), (1958, 993715), (2047, 950510), (2530, 769049), (4094, 475255), (4895, 397486), (8641, 225170), (9790, 198743), (10235, 190102), (17282, 112585), (20470, 95051), (22517, 86410), (43205, 45034)]