2125970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2700334

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 251, 385, 502, 605, 770, 847, 1210, 1255, 1694, 1757, 2510, 2761, 3514, 4235, 5522, 8470, 8785, 13805, 17570, 19327, 27610, 30371, 38654, 60742, 96635, 151855, 193270, 212597, 303710, 425194, 1062985, 2125970]

約数ペア:

[(1, 2125970), (2, 1062985), (5, 425194), (7, 303710), (10, 212597), (11, 193270), (14, 151855), (22, 96635), (35, 60742), (55, 38654), (70, 30371), (77, 27610), (110, 19327), (121, 17570), (154, 13805), (242, 8785), (251, 8470), (385, 5522), (502, 4235), (605, 3514), (770, 2761), (847, 2510), (1210, 1757), (1255, 1694)]