287120120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1249}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 739800000

約数和(自身を除く): 452679880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 821, 1249, 1642, 2498, 3284, 4105, 4996, 5747, 6245, 6568, 8210, 8743, 9992, 11494, 12490, 16420, 17486, 22988, 24980, 28735, 32840, 34972, 43715, 45976, 49960, 57470, 69944, 87430, 114940, 174860, 229880, 349720, 1025429, 2050858, 4101716, 5127145, 7178003, 8203432, 10254290, 14356006, 20508580, 28712012, 35890015, 41017160, 57424024, 71780030, 143560060, 287120120]

約数ペア:

[(1, 287120120), (2, 143560060), (4, 71780030), (5, 57424024), (7, 41017160), (8, 35890015), (10, 28712012), (14, 20508580), (20, 14356006), (28, 10254290), (35, 8203432), (40, 7178003), (56, 5127145), (70, 4101716), (140, 2050858), (280, 1025429), (821, 349720), (1249, 229880), (1642, 174860), (2498, 114940), (3284, 87430), (4105, 69944), (4996, 57470), (5747, 49960), (6245, 45976), (6568, 43715), (8210, 34972), (8743, 32840), (9992, 28735), (11494, 24980), (12490, 22988), (16420, 17486)]