205072980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11909}}^1$

素因数の和:11969

約数の個数: 96

約数和(自身を含む): 672295680

約数和(自身を除く): 467222700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610, 11909, 17220, 23818, 35727, 47636, 59545, 71454, 83363, 119090, 142908, 166726, 178635, 238180, 250089, 333452, 357270, 416815, 488269, 500178, 714540, 833630, 976538, 1000356, 1250445, 1464807, 1667260, 1953076, 2441345, 2500890, 2929614, 3417883, 4882690, 5001780, 5859228, 6835766, 7324035, 9765380, 10253649, 13671532, 14648070, 17089415, 20507298, 29296140, 34178830, 41014596, 51268245, 68357660, 102536490, 205072980]

約数ペア:

[(1, 205072980), (2, 102536490), (3, 68357660), (4, 51268245), (5, 41014596), (6, 34178830), (7, 29296140), (10, 20507298), (12, 17089415), (14, 14648070), (15, 13671532), (20, 10253649), (21, 9765380), (28, 7324035), (30, 6835766), (35, 5859228), (41, 5001780), (42, 4882690), (60, 3417883), (70, 2929614), (82, 2500890), (84, 2441345), (105, 1953076), (123, 1667260), (140, 1464807), (164, 1250445), (205, 1000356), (210, 976538), (246, 833630), (287, 714540), (410, 500178), (420, 488269), (492, 416815), (574, 357270), (615, 333452), (820, 250089), (861, 238180), (1148, 178635), (1230, 166726), (1435, 142908), (1722, 119090), (2460, 83363), (2870, 71454), (3444, 59545), (4305, 47636), (5740, 35727), (8610, 23818), (11909, 17220)]