218945870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 482630400

約数和(自身を除く): 263684530

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 121, 130, 143, 155, 242, 286, 310, 341, 403, 449, 605, 682, 715, 806, 898, 1210, 1430, 1573, 1705, 2015, 2245, 3146, 3410, 3751, 4030, 4433, 4490, 4939, 5837, 7502, 7865, 8866, 9878, 11674, 13919, 15730, 18755, 22165, 24695, 27838, 29185, 37510, 44330, 48763, 49390, 54329, 58370, 64207, 69595, 97526, 108658, 128414, 139190, 153109, 180947, 243815, 271645, 306218, 321035, 361894, 487630, 543290, 642070, 706277, 765545, 904735, 1412554, 1531090, 1684199, 1809470, 1990417, 3368398, 3531385, 3980834, 7062770, 8420995, 9952085, 16841990, 19904170, 21894587, 43789174, 109472935, 218945870]

約数ペア:

[(1, 218945870), (2, 109472935), (5, 43789174), (10, 21894587), (11, 19904170), (13, 16841990), (22, 9952085), (26, 8420995), (31, 7062770), (55, 3980834), (62, 3531385), (65, 3368398), (110, 1990417), (121, 1809470), (130, 1684199), (143, 1531090), (155, 1412554), (242, 904735), (286, 765545), (310, 706277), (341, 642070), (403, 543290), (449, 487630), (605, 361894), (682, 321035), (715, 306218), (806, 271645), (898, 243815), (1210, 180947), (1430, 153109), (1573, 139190), (1705, 128414), (2015, 108658), (2245, 97526), (3146, 69595), (3410, 64207), (3751, 58370), (4030, 54329), (4433, 49390), (4490, 48763), (4939, 44330), (5837, 37510), (7502, 29185), (7865, 27838), (8866, 24695), (9878, 22165), (11674, 18755), (13919, 15730)]