287248890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{115361}}^1$

素因数の和:115454

約数の個数: 32

約数和(自身を含む): 697709376

約数和(自身を除く): 410460486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 115361, 230722, 346083, 576805, 692166, 1153610, 1730415, 3460830, 9574963, 19149926, 28724889, 47874815, 57449778, 95749630, 143624445, 287248890]

約数ペア:

[(1, 287248890), (2, 143624445), (3, 95749630), (5, 57449778), (6, 47874815), (10, 28724889), (15, 19149926), (30, 9574963), (83, 3460830), (166, 1730415), (249, 1153610), (415, 692166), (498, 576805), (830, 346083), (1245, 230722), (2490, 115361)]