2890090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 6531840

約数和(自身を除く): 3641750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 53, 70, 82, 95, 106, 133, 190, 205, 265, 266, 287, 371, 410, 530, 574, 665, 742, 779, 1007, 1330, 1435, 1558, 1855, 2014, 2173, 2870, 3710, 3895, 4346, 5035, 5453, 7049, 7790, 10070, 10865, 10906, 14098, 15211, 21730, 27265, 30422, 35245, 41287, 54530, 70490, 76055, 82574, 152110, 206435, 289009, 412870, 578018, 1445045, 2890090]

約数ペア:

[(1, 2890090), (2, 1445045), (5, 578018), (7, 412870), (10, 289009), (14, 206435), (19, 152110), (35, 82574), (38, 76055), (41, 70490), (53, 54530), (70, 41287), (82, 35245), (95, 30422), (106, 27265), (133, 21730), (190, 15211), (205, 14098), (265, 10906), (266, 10865), (287, 10070), (371, 7790), (410, 7049), (530, 5453), (574, 5035), (665, 4346), (742, 3895), (779, 3710), (1007, 2870), (1330, 2173), (1435, 2014), (1558, 1855)]