209460800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 550298112

約数和(自身を除く): 340837312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 64, 80, 82, 100, 103, 124, 155, 160, 164, 200, 205, 206, 248, 310, 320, 328, 400, 410, 412, 496, 515, 620, 656, 775, 800, 820, 824, 992, 1025, 1030, 1240, 1271, 1312, 1550, 1600, 1640, 1648, 1984, 2050, 2060, 2480, 2542, 2575, 2624, 3100, 3193, 3280, 3296, 4100, 4120, 4223, 4960, 5084, 5150, 6200, 6355, 6386, 6560, 6592, 8200, 8240, 8446, 9920, 10168, 10300, 12400, 12710, 12772, 13120, 15965, 16400, 16480, 16892, 20336, 20600, 21115, 24800, 25420, 25544, 31775, 31930, 32800, 32960, 33784, 40672, 41200, 42230, 49600, 50840, 51088, 63550, 63860, 65600, 67568, 79825, 81344, 82400, 84460, 101680, 102176, 105575, 127100, 127720, 130913, 135136, 159650, 164800, 168920, 203360, 204352, 211150, 254200, 255440, 261826, 270272, 319300, 337840, 406720, 422300, 508400, 510880, 523652, 638600, 654565, 675680, 844600, 1016800, 1021760, 1047304, 1277200, 1309130, 1351360, 1689200, 2033600, 2094608, 2554400, 2618260, 3272825, 3378400, 4189216, 5108800, 5236520, 6545650, 6756800, 8378432, 10473040, 13091300, 20946080, 26182600, 41892160, 52365200, 104730400, 209460800]

約数ペア:

[(1, 209460800), (2, 104730400), (4, 52365200), (5, 41892160), (8, 26182600), (10, 20946080), (16, 13091300), (20, 10473040), (25, 8378432), (31, 6756800), (32, 6545650), (40, 5236520), (41, 5108800), (50, 4189216), (62, 3378400), (64, 3272825), (80, 2618260), (82, 2554400), (100, 2094608), (103, 2033600), (124, 1689200), (155, 1351360), (160, 1309130), (164, 1277200), (200, 1047304), (205, 1021760), (206, 1016800), (248, 844600), (310, 675680), (320, 654565), (328, 638600), (400, 523652), (410, 510880), (412, 508400), (496, 422300), (515, 406720), (620, 337840), (656, 319300), (775, 270272), (800, 261826), (820, 255440), (824, 254200), (992, 211150), (1025, 204352), (1030, 203360), (1240, 168920), (1271, 164800), (1312, 159650), (1550, 135136), (1600, 130913), (1640, 127720), (1648, 127100), (1984, 105575), (2050, 102176), (2060, 101680), (2480, 84460), (2542, 82400), (2575, 81344), (2624, 79825), (3100, 67568), (3193, 65600), (3280, 63860), (3296, 63550), (4100, 51088), (4120, 50840), (4223, 49600), (4960, 42230), (5084, 41200), (5150, 40672), (6200, 33784), (6355, 32960), (6386, 32800), (6560, 31930), (6592, 31775), (8200, 25544), (8240, 25420), (8446, 24800), (9920, 21115), (10168, 20600), (10300, 20336), (12400, 16892), (12710, 16480), (12772, 16400), (13120, 15965)]