290290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 64

約数和(自身を含む): 725760

約数和(自身を除く): 435470

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 35, 55, 58, 65, 70, 77, 91, 110, 130, 143, 145, 154, 182, 203, 286, 290, 319, 377, 385, 406, 455, 638, 715, 754, 770, 910, 1001, 1015, 1430, 1595, 1885, 2002, 2030, 2233, 2639, 3190, 3770, 4147, 4466, 5005, 5278, 8294, 10010, 11165, 13195, 20735, 22330, 26390, 29029, 41470, 58058, 145145, 290290]

約数ペア:

[(1, 290290), (2, 145145), (5, 58058), (7, 41470), (10, 29029), (11, 26390), (13, 22330), (14, 20735), (22, 13195), (26, 11165), (29, 10010), (35, 8294), (55, 5278), (58, 5005), (65, 4466), (70, 4147), (77, 3770), (91, 3190), (110, 2639), (130, 2233), (143, 2030), (145, 2002), (154, 1885), (182, 1595), (203, 1430), (286, 1015), (290, 1001), (319, 910), (377, 770), (385, 754), (406, 715), (455, 638)]