206520420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202471}}^1$

素因数の和:202500

約数の個数: 48

約数和(自身を含む): 612275328

約数和(自身を除く): 405754908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 202471, 404942, 607413, 809884, 1012355, 1214826, 2024710, 2429652, 3037065, 3442007, 4049420, 6074130, 6884014, 10326021, 12148260, 13768028, 17210035, 20652042, 34420070, 41304084, 51630105, 68840140, 103260210, 206520420]

約数ペア:

[(1, 206520420), (2, 103260210), (3, 68840140), (4, 51630105), (5, 41304084), (6, 34420070), (10, 20652042), (12, 17210035), (15, 13768028), (17, 12148260), (20, 10326021), (30, 6884014), (34, 6074130), (51, 4049420), (60, 3442007), (68, 3037065), (85, 2429652), (102, 2024710), (170, 1214826), (204, 1012355), (255, 809884), (340, 607413), (510, 404942), (1020, 202471)]