305386240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 798386400

約数和(自身を除く): 493000160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 256, 290, 304, 320, 380, 433, 464, 551, 580, 608, 640, 760, 866, 928, 1102, 1160, 1216, 1280, 1520, 1732, 1856, 2165, 2204, 2320, 2432, 2755, 3040, 3464, 3712, 4330, 4408, 4640, 4864, 5510, 6080, 6928, 7424, 8227, 8660, 8816, 9280, 11020, 12160, 12557, 13856, 16454, 17320, 17632, 18560, 22040, 24320, 25114, 27712, 32908, 34640, 35264, 37120, 41135, 44080, 50228, 55424, 62785, 65816, 69280, 70528, 82270, 88160, 100456, 110848, 125570, 131632, 138560, 141056, 164540, 176320, 200912, 238583, 251140, 263264, 277120, 329080, 352640, 401824, 477166, 502280, 526528, 554240, 658160, 705280, 803648, 954332, 1004560, 1053056, 1192915, 1316320, 1607296, 1908664, 2009120, 2106112, 2385830, 2632640, 3214592, 3817328, 4018240, 4771660, 5265280, 7634656, 8036480, 9543320, 10530560, 15269312, 16072960, 19086640, 30538624, 38173280, 61077248, 76346560, 152693120, 305386240]

約数ペア:

[(1, 305386240), (2, 152693120), (4, 76346560), (5, 61077248), (8, 38173280), (10, 30538624), (16, 19086640), (19, 16072960), (20, 15269312), (29, 10530560), (32, 9543320), (38, 8036480), (40, 7634656), (58, 5265280), (64, 4771660), (76, 4018240), (80, 3817328), (95, 3214592), (116, 2632640), (128, 2385830), (145, 2106112), (152, 2009120), (160, 1908664), (190, 1607296), (232, 1316320), (256, 1192915), (290, 1053056), (304, 1004560), (320, 954332), (380, 803648), (433, 705280), (464, 658160), (551, 554240), (580, 526528), (608, 502280), (640, 477166), (760, 401824), (866, 352640), (928, 329080), (1102, 277120), (1160, 263264), (1216, 251140), (1280, 238583), (1520, 200912), (1732, 176320), (1856, 164540), (2165, 141056), (2204, 138560), (2320, 131632), (2432, 125570), (2755, 110848), (3040, 100456), (3464, 88160), (3712, 82270), (4330, 70528), (4408, 69280), (4640, 65816), (4864, 62785), (5510, 55424), (6080, 50228), (6928, 44080), (7424, 41135), (8227, 37120), (8660, 35264), (8816, 34640), (9280, 32908), (11020, 27712), (12160, 25114), (12557, 24320), (13856, 22040), (16454, 18560), (17320, 17632)]