399332847560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{144349}}^1$

素因数の和:144511

約数の個数: 128

約数和(自身を含む): 977792256000

約数和(自身を除く): 578459408440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 97, 115, 124, 155, 184, 194, 230, 248, 310, 388, 460, 485, 620, 713, 776, 920, 970, 1240, 1426, 1940, 2231, 2852, 3007, 3565, 3880, 4462, 5704, 6014, 7130, 8924, 11155, 12028, 14260, 15035, 17848, 22310, 24056, 28520, 30070, 44620, 60140, 69161, 89240, 120280, 138322, 144349, 276644, 288698, 345805, 553288, 577396, 691610, 721745, 1154792, 1383220, 1443490, 2766440, 2886980, 3320027, 4474819, 5773960, 6640054, 8949638, 13280108, 14001853, 16600135, 17899276, 22374095, 26560216, 28003706, 33200270, 35798552, 44748190, 56007412, 66400540, 70009265, 89496380, 102920837, 112014824, 132801080, 140018530, 178992760, 205841674, 280037060, 322042619, 411683348, 434057443, 514604185, 560074120, 644085238, 823366696, 868114886, 1029208370, 1288170476, 1610213095, 1736229772, 2058416740, 2170287215, 2576340952, 3220426190, 3472459544, 4116833480, 4340574430, 6440852380, 8681148860, 9983321189, 12881704760, 17362297720, 19966642378, 39933284756, 49916605945, 79866569512, 99833211890, 199666423780, 399332847560]

約数ペア:

[(1, 399332847560), (2, 199666423780), (4, 99833211890), (5, 79866569512), (8, 49916605945), (10, 39933284756), (20, 19966642378), (23, 17362297720), (31, 12881704760), (40, 9983321189), (46, 8681148860), (62, 6440852380), (92, 4340574430), (97, 4116833480), (115, 3472459544), (124, 3220426190), (155, 2576340952), (184, 2170287215), (194, 2058416740), (230, 1736229772), (248, 1610213095), (310, 1288170476), (388, 1029208370), (460, 868114886), (485, 823366696), (620, 644085238), (713, 560074120), (776, 514604185), (920, 434057443), (970, 411683348), (1240, 322042619), (1426, 280037060), (1940, 205841674), (2231, 178992760), (2852, 140018530), (3007, 132801080), (3565, 112014824), (3880, 102920837), (4462, 89496380), (5704, 70009265), (6014, 66400540), (7130, 56007412), (8924, 44748190), (11155, 35798552), (12028, 33200270), (14260, 28003706), (15035, 26560216), (17848, 22374095), (22310, 17899276), (24056, 16600135), (28520, 14001853), (30070, 13280108), (44620, 8949638), (60140, 6640054), (69161, 5773960), (89240, 4474819), (120280, 3320027), (138322, 2886980), (144349, 2766440), (276644, 1443490), (288698, 1383220), (345805, 1154792), (553288, 721745), (577396, 691610)]