208165000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 539827200

約数和(自身を除く): 331662200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 79, 85, 100, 124, 125, 136, 155, 158, 170, 200, 248, 250, 310, 316, 340, 395, 425, 500, 527, 620, 625, 632, 680, 775, 790, 850, 1000, 1054, 1240, 1250, 1343, 1550, 1580, 1700, 1975, 2108, 2125, 2449, 2500, 2635, 2686, 3100, 3160, 3400, 3875, 3950, 4216, 4250, 4898, 5000, 5270, 5372, 6200, 6715, 7750, 7900, 8500, 9796, 9875, 10540, 10625, 10744, 12245, 13175, 13430, 15500, 15800, 17000, 19375, 19592, 19750, 21080, 21250, 24490, 26350, 26860, 31000, 33575, 38750, 39500, 41633, 42500, 48980, 49375, 52700, 53720, 61225, 65875, 67150, 77500, 79000, 83266, 85000, 97960, 98750, 105400, 122450, 131750, 134300, 155000, 166532, 167875, 197500, 208165, 244900, 263500, 268600, 306125, 329375, 333064, 335750, 395000, 416330, 489800, 527000, 612250, 658750, 671500, 832660, 839375, 1040825, 1224500, 1317500, 1343000, 1530625, 1665320, 1678750, 2081650, 2449000, 2635000, 3061250, 3357500, 4163300, 5204125, 6122500, 6715000, 8326600, 10408250, 12245000, 20816500, 26020625, 41633000, 52041250, 104082500, 208165000]

約数ペア:

[(1, 208165000), (2, 104082500), (4, 52041250), (5, 41633000), (8, 26020625), (10, 20816500), (17, 12245000), (20, 10408250), (25, 8326600), (31, 6715000), (34, 6122500), (40, 5204125), (50, 4163300), (62, 3357500), (68, 3061250), (79, 2635000), (85, 2449000), (100, 2081650), (124, 1678750), (125, 1665320), (136, 1530625), (155, 1343000), (158, 1317500), (170, 1224500), (200, 1040825), (248, 839375), (250, 832660), (310, 671500), (316, 658750), (340, 612250), (395, 527000), (425, 489800), (500, 416330), (527, 395000), (620, 335750), (625, 333064), (632, 329375), (680, 306125), (775, 268600), (790, 263500), (850, 244900), (1000, 208165), (1054, 197500), (1240, 167875), (1250, 166532), (1343, 155000), (1550, 134300), (1580, 131750), (1700, 122450), (1975, 105400), (2108, 98750), (2125, 97960), (2449, 85000), (2500, 83266), (2635, 79000), (2686, 77500), (3100, 67150), (3160, 65875), (3400, 61225), (3875, 53720), (3950, 52700), (4216, 49375), (4250, 48980), (4898, 42500), (5000, 41633), (5270, 39500), (5372, 38750), (6200, 33575), (6715, 31000), (7750, 26860), (7900, 26350), (8500, 24490), (9796, 21250), (9875, 21080), (10540, 19750), (10625, 19592), (10744, 19375), (12245, 17000), (13175, 15800), (13430, 15500)]