2258978890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1291}}^1\times {\mathrm{3571}}^1$

素因数の和:4883

約数の個数: 48

約数和(自身を含む): 4735014624

約数和(自身を除く): 2476035734

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1291, 2582, 3571, 6455, 7142, 9037, 12910, 17855, 18074, 24997, 35710, 45185, 49994, 63259, 90370, 124985, 126518, 174979, 249970, 316295, 349958, 632590, 874895, 1749790, 4610161, 9220322, 23050805, 32271127, 46101610, 64542254, 161355635, 225897889, 322711270, 451795778, 1129489445, 2258978890]

約数ペア:

[(1, 2258978890), (2, 1129489445), (5, 451795778), (7, 322711270), (10, 225897889), (14, 161355635), (35, 64542254), (49, 46101610), (70, 32271127), (98, 23050805), (245, 9220322), (490, 4610161), (1291, 1749790), (2582, 874895), (3571, 632590), (6455, 349958), (7142, 316295), (9037, 249970), (12910, 174979), (17855, 126518), (18074, 124985), (24997, 90370), (35710, 63259), (45185, 49994)]