490246400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 1435574784

約数和(自身を除く): 945328384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 128, 140, 155, 160, 175, 200, 217, 224, 248, 256, 280, 310, 320, 350, 353, 400, 434, 448, 496, 560, 620, 640, 700, 706, 775, 800, 868, 896, 992, 1085, 1120, 1240, 1280, 1400, 1412, 1550, 1600, 1736, 1765, 1792, 1984, 2170, 2240, 2471, 2480, 2800, 2824, 3100, 3200, 3472, 3530, 3968, 4340, 4480, 4942, 4960, 5425, 5600, 5648, 6200, 6400, 6944, 7060, 7936, 8680, 8825, 8960, 9884, 9920, 10850, 10943, 11200, 11296, 12355, 12400, 13888, 14120, 17360, 17650, 19768, 19840, 21700, 21886, 22400, 22592, 24710, 24800, 27776, 28240, 34720, 35300, 39536, 39680, 43400, 43772, 44800, 45184, 49420, 49600, 54715, 55552, 56480, 61775, 69440, 70600, 76601, 79072, 86800, 87544, 90368, 98840, 99200, 109430, 112960, 123550, 138880, 141200, 153202, 158144, 173600, 175088, 197680, 198400, 218860, 225920, 247100, 273575, 277760, 282400, 306404, 316288, 347200, 350176, 383005, 395360, 437720, 451840, 494200, 547150, 564800, 612808, 632576, 694400, 700352, 766010, 790720, 875440, 988400, 1094300, 1129600, 1225616, 1388800, 1400704, 1532020, 1581440, 1750880, 1915025, 1976800, 2188600, 2259200, 2451232, 2801408, 3064040, 3162880, 3501760, 3830050, 3953600, 4377200, 4902464, 6128080, 7003520, 7660100, 7907200, 8754400, 9804928, 12256160, 14007040, 15320200, 15814400, 17508800, 19609856, 24512320, 30640400, 35017600, 49024640, 61280800, 70035200, 98049280, 122561600, 245123200, 490246400]

約数ペア:

[(1, 490246400), (2, 245123200), (4, 122561600), (5, 98049280), (7, 70035200), (8, 61280800), (10, 49024640), (14, 35017600), (16, 30640400), (20, 24512320), (25, 19609856), (28, 17508800), (31, 15814400), (32, 15320200), (35, 14007040), (40, 12256160), (50, 9804928), (56, 8754400), (62, 7907200), (64, 7660100), (70, 7003520), (80, 6128080), (100, 4902464), (112, 4377200), (124, 3953600), (128, 3830050), (140, 3501760), (155, 3162880), (160, 3064040), (175, 2801408), (200, 2451232), (217, 2259200), (224, 2188600), (248, 1976800), (256, 1915025), (280, 1750880), (310, 1581440), (320, 1532020), (350, 1400704), (353, 1388800), (400, 1225616), (434, 1129600), (448, 1094300), (496, 988400), (560, 875440), (620, 790720), (640, 766010), (700, 700352), (706, 694400), (775, 632576), (800, 612808), (868, 564800), (896, 547150), (992, 494200), (1085, 451840), (1120, 437720), (1240, 395360), (1280, 383005), (1400, 350176), (1412, 347200), (1550, 316288), (1600, 306404), (1736, 282400), (1765, 277760), (1792, 273575), (1984, 247100), (2170, 225920), (2240, 218860), (2471, 198400), (2480, 197680), (2800, 175088), (2824, 173600), (3100, 158144), (3200, 153202), (3472, 141200), (3530, 138880), (3968, 123550), (4340, 112960), (4480, 109430), (4942, 99200), (4960, 98840), (5425, 90368), (5600, 87544), (5648, 86800), (6200, 79072), (6400, 76601), (6944, 70600), (7060, 69440), (7936, 61775), (8680, 56480), (8825, 55552), (8960, 54715), (9884, 49600), (9920, 49420), (10850, 45184), (10943, 44800), (11200, 43772), (11296, 43400), (12355, 39680), (12400, 39536), (13888, 35300), (14120, 34720), (17360, 28240), (17650, 27776), (19768, 24800), (19840, 24710), (21700, 22592), (21886, 22400)]