206539970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 286976830

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 79, 85, 91, 119, 130, 158, 169, 170, 182, 221, 238, 338, 395, 442, 455, 553, 595, 790, 845, 910, 1027, 1105, 1106, 1183, 1190, 1343, 1547, 1690, 2054, 2197, 2210, 2366, 2686, 2765, 2873, 3094, 4394, 5135, 5530, 5746, 5915, 6715, 7189, 7735, 9401, 10270, 10985, 11830, 13351, 13430, 14365, 14378, 15379, 15470, 17459, 18802, 20111, 21970, 26702, 28730, 30758, 34918, 35945, 37349, 40222, 47005, 66755, 71890, 74698, 76895, 87295, 93457, 94010, 100555, 122213, 133510, 153790, 173563, 174590, 186745, 186914, 201110, 226967, 244426, 261443, 347126, 373490, 453934, 467285, 522886, 611065, 867815, 934570, 1134835, 1214941, 1222130, 1307215, 1588769, 1735630, 2269670, 2429882, 2614430, 2950571, 3177538, 5901142, 6074705, 7943845, 12149410, 14752855, 15887690, 20653997, 29505710, 41307994, 103269985, 206539970]

約数ペア:

[(1, 206539970), (2, 103269985), (5, 41307994), (7, 29505710), (10, 20653997), (13, 15887690), (14, 14752855), (17, 12149410), (26, 7943845), (34, 6074705), (35, 5901142), (65, 3177538), (70, 2950571), (79, 2614430), (85, 2429882), (91, 2269670), (119, 1735630), (130, 1588769), (158, 1307215), (169, 1222130), (170, 1214941), (182, 1134835), (221, 934570), (238, 867815), (338, 611065), (395, 522886), (442, 467285), (455, 453934), (553, 373490), (595, 347126), (790, 261443), (845, 244426), (910, 226967), (1027, 201110), (1105, 186914), (1106, 186745), (1183, 174590), (1190, 173563), (1343, 153790), (1547, 133510), (1690, 122213), (2054, 100555), (2197, 94010), (2210, 93457), (2366, 87295), (2686, 76895), (2765, 74698), (2873, 71890), (3094, 66755), (4394, 47005), (5135, 40222), (5530, 37349), (5746, 35945), (5915, 34918), (6715, 30758), (7189, 28730), (7735, 26702), (9401, 21970), (10270, 20111), (10985, 18802), (11830, 17459), (13351, 15470), (13430, 15379), (14365, 14378)]