318523750

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 628223904

約数和(自身を除く): 309700154

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 97, 125, 142, 185, 194, 250, 355, 370, 485, 625, 710, 925, 970, 1250, 1775, 1850, 2425, 2627, 3550, 3589, 4625, 4850, 5254, 6887, 7178, 8875, 9250, 12125, 13135, 13774, 17750, 17945, 23125, 24250, 26270, 34435, 35890, 44375, 46250, 60625, 65675, 68870, 88750, 89725, 121250, 131350, 172175, 179450, 254819, 328375, 344350, 448625, 509638, 656750, 860875, 897250, 1274095, 1641875, 1721750, 2243125, 2548190, 3283750, 4304375, 4486250, 6370475, 8608750, 12740950, 31852375, 63704750, 159261875, 318523750]

約数ペア:

[(1, 318523750), (2, 159261875), (5, 63704750), (10, 31852375), (25, 12740950), (37, 8608750), (50, 6370475), (71, 4486250), (74, 4304375), (97, 3283750), (125, 2548190), (142, 2243125), (185, 1721750), (194, 1641875), (250, 1274095), (355, 897250), (370, 860875), (485, 656750), (625, 509638), (710, 448625), (925, 344350), (970, 328375), (1250, 254819), (1775, 179450), (1850, 172175), (2425, 131350), (2627, 121250), (3550, 89725), (3589, 88750), (4625, 68870), (4850, 65675), (5254, 60625), (6887, 46250), (7178, 44375), (8875, 35890), (9250, 34435), (12125, 26270), (13135, 24250), (13774, 23125), (17750, 17945)]