644930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 1407672

約数和(自身を除く): 762742

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 55, 65, 82, 110, 121, 130, 143, 205, 242, 286, 410, 451, 533, 605, 715, 902, 1066, 1210, 1430, 1573, 2255, 2665, 3146, 4510, 4961, 5330, 5863, 7865, 9922, 11726, 15730, 24805, 29315, 49610, 58630, 64493, 128986, 322465, 644930]

約数ペア:

[(1, 644930), (2, 322465), (5, 128986), (10, 64493), (11, 58630), (13, 49610), (22, 29315), (26, 24805), (41, 15730), (55, 11726), (65, 9922), (82, 7865), (110, 5863), (121, 5330), (130, 4961), (143, 4510), (205, 3146), (242, 2665), (286, 2255), (410, 1573), (451, 1430), (533, 1210), (605, 1066), (715, 902)]