140837872

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 321408000

約数和(自身を除く): 180570128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 89, 112, 142, 178, 199, 284, 356, 398, 497, 568, 623, 712, 796, 994, 1136, 1246, 1393, 1424, 1592, 1988, 2492, 2786, 3184, 3976, 4984, 5572, 6319, 7952, 9968, 11144, 12638, 14129, 17711, 22288, 25276, 28258, 35422, 44233, 50552, 56516, 70844, 88466, 98903, 101104, 113032, 123977, 141688, 176932, 197806, 226064, 247954, 283376, 353864, 395612, 495908, 707728, 791224, 991816, 1257481, 1582448, 1983632, 2514962, 5029924, 8802367, 10059848, 17604734, 20119696, 35209468, 70418936, 140837872]

約数ペア:

[(1, 140837872), (2, 70418936), (4, 35209468), (7, 20119696), (8, 17604734), (14, 10059848), (16, 8802367), (28, 5029924), (56, 2514962), (71, 1983632), (89, 1582448), (112, 1257481), (142, 991816), (178, 791224), (199, 707728), (284, 495908), (356, 395612), (398, 353864), (497, 283376), (568, 247954), (623, 226064), (712, 197806), (796, 176932), (994, 141688), (1136, 123977), (1246, 113032), (1393, 101104), (1424, 98903), (1592, 88466), (1988, 70844), (2492, 56516), (2786, 50552), (3184, 44233), (3976, 35422), (4984, 28258), (5572, 25276), (6319, 22288), (7952, 17711), (9968, 14129), (11144, 12638)]