265716220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^2$

素因数の和:348

約数の個数: 108

約数和(自身を含む): 712655496

約数和(自身を除く): 446939276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 157, 196, 220, 245, 308, 314, 385, 490, 539, 628, 770, 785, 980, 1078, 1099, 1540, 1570, 1727, 2156, 2198, 2695, 3140, 3454, 4396, 5390, 5495, 6908, 7693, 8635, 10780, 10990, 12089, 15386, 17270, 21980, 24178, 24649, 30772, 34540, 38465, 48356, 49298, 60445, 76930, 84623, 98596, 120890, 123245, 153860, 169246, 172543, 241780, 246490, 271139, 338492, 345086, 423115, 492980, 542278, 690172, 846230, 862715, 1084556, 1207801, 1355695, 1692460, 1725430, 1897973, 2415602, 2711390, 3450860, 3795946, 4831204, 5422780, 6039005, 7591892, 9489865, 12078010, 13285811, 18979730, 24156020, 26571622, 37959460, 53143244, 66429055, 132858110, 265716220]

約数ペア:

[(1, 265716220), (2, 132858110), (4, 66429055), (5, 53143244), (7, 37959460), (10, 26571622), (11, 24156020), (14, 18979730), (20, 13285811), (22, 12078010), (28, 9489865), (35, 7591892), (44, 6039005), (49, 5422780), (55, 4831204), (70, 3795946), (77, 3450860), (98, 2711390), (110, 2415602), (140, 1897973), (154, 1725430), (157, 1692460), (196, 1355695), (220, 1207801), (245, 1084556), (308, 862715), (314, 846230), (385, 690172), (490, 542278), (539, 492980), (628, 423115), (770, 345086), (785, 338492), (980, 271139), (1078, 246490), (1099, 241780), (1540, 172543), (1570, 169246), (1727, 153860), (2156, 123245), (2198, 120890), (2695, 98596), (3140, 84623), (3454, 76930), (4396, 60445), (5390, 49298), (5495, 48356), (6908, 38465), (7693, 34540), (8635, 30772), (10780, 24649), (10990, 24178), (12089, 21980), (15386, 17270)]