400155168

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:615

約数の個数: 144

約数和(自身を含む): 1230362784

約数和(自身を除く): 830207616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 257, 294, 331, 336, 392, 514, 588, 662, 672, 771, 784, 993, 1028, 1176, 1324, 1542, 1568, 1799, 1986, 2056, 2317, 2352, 2648, 3084, 3598, 3972, 4112, 4634, 4704, 5296, 5397, 6168, 6951, 7196, 7944, 8224, 9268, 10592, 10794, 12336, 12593, 13902, 14392, 15888, 16219, 18536, 21588, 24672, 25186, 27804, 28784, 31776, 32438, 37072, 37779, 43176, 48657, 50372, 55608, 57568, 64876, 74144, 75558, 85067, 86352, 97314, 100744, 111216, 129752, 151116, 170134, 172704, 194628, 201488, 222432, 255201, 259504, 302232, 340268, 389256, 402976, 510402, 519008, 595469, 604464, 680536, 778512, 1020804, 1190938, 1208928, 1361072, 1557024, 1786407, 2041608, 2381876, 2722144, 3572814, 4083216, 4168283, 4763752, 7145628, 8166432, 8336566, 9527504, 12504849, 14291256, 16673132, 19055008, 25009698, 28582512, 33346264, 50019396, 57165024, 66692528, 100038792, 133385056, 200077584, 400155168]

約数ペア:

[(1, 400155168), (2, 200077584), (3, 133385056), (4, 100038792), (6, 66692528), (7, 57165024), (8, 50019396), (12, 33346264), (14, 28582512), (16, 25009698), (21, 19055008), (24, 16673132), (28, 14291256), (32, 12504849), (42, 9527504), (48, 8336566), (49, 8166432), (56, 7145628), (84, 4763752), (96, 4168283), (98, 4083216), (112, 3572814), (147, 2722144), (168, 2381876), (196, 2041608), (224, 1786407), (257, 1557024), (294, 1361072), (331, 1208928), (336, 1190938), (392, 1020804), (514, 778512), (588, 680536), (662, 604464), (672, 595469), (771, 519008), (784, 510402), (993, 402976), (1028, 389256), (1176, 340268), (1324, 302232), (1542, 259504), (1568, 255201), (1799, 222432), (1986, 201488), (2056, 194628), (2317, 172704), (2352, 170134), (2648, 151116), (3084, 129752), (3598, 111216), (3972, 100744), (4112, 97314), (4634, 86352), (4704, 85067), (5296, 75558), (5397, 74144), (6168, 64876), (6951, 57568), (7196, 55608), (7944, 50372), (8224, 48657), (9268, 43176), (10592, 37779), (10794, 37072), (12336, 32438), (12593, 31776), (13902, 28784), (14392, 27804), (15888, 25186), (16219, 24672), (18536, 21588)]