289984730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{78163}}^1$

素因数の和:78230

約数の個数: 32

約数和(自身を含む): 607803264

約数和(自身を除く): 317818534

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 78163, 156326, 390815, 547141, 781630, 1094282, 2735705, 4142639, 5471410, 8285278, 20713195, 28998473, 41426390, 57996946, 144992365, 289984730]

約数ペア:

[(1, 289984730), (2, 144992365), (5, 57996946), (7, 41426390), (10, 28998473), (14, 20713195), (35, 8285278), (53, 5471410), (70, 4142639), (106, 2735705), (265, 1094282), (371, 781630), (530, 547141), (742, 390815), (1855, 156326), (3710, 78163)]