288439240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{31489}}^1$

素因数の和:31729

約数の個数: 32

約数和(自身を含む): 651843000

約数和(自身を除く): 363403760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 31489, 62978, 125956, 157445, 251912, 314890, 629780, 1259560, 7210981, 14421962, 28843924, 36054905, 57687848, 72109810, 144219620, 288439240]

約数ペア:

[(1, 288439240), (2, 144219620), (4, 72109810), (5, 57687848), (8, 36054905), (10, 28843924), (20, 14421962), (40, 7210981), (229, 1259560), (458, 629780), (916, 314890), (1145, 251912), (1832, 157445), (2290, 125956), (4580, 62978), (9160, 31489)]