438440470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:2017

約数の個数: 64

約数和(自身を含む): 891342144

約数和(自身を除く): 452901674

約数列:

[1, 2, 5, 10, 13, 26, 41, 43, 65, 82, 86, 130, 205, 215, 410, 430, 533, 559, 1066, 1118, 1763, 1913, 2665, 2795, 3526, 3826, 5330, 5590, 8815, 9565, 17630, 19130, 22919, 24869, 45838, 49738, 78433, 82259, 114595, 124345, 156866, 164518, 229190, 248690, 392165, 411295, 784330, 822590, 1019629, 1069367, 2039258, 2138734, 3372619, 5098145, 5346835, 6745238, 10196290, 10693670, 16863095, 33726190, 43844047, 87688094, 219220235, 438440470]

約数ペア:

[(1, 438440470), (2, 219220235), (5, 87688094), (10, 43844047), (13, 33726190), (26, 16863095), (41, 10693670), (43, 10196290), (65, 6745238), (82, 5346835), (86, 5098145), (130, 3372619), (205, 2138734), (215, 2039258), (410, 1069367), (430, 1019629), (533, 822590), (559, 784330), (1066, 411295), (1118, 392165), (1763, 248690), (1913, 229190), (2665, 164518), (2795, 156866), (3526, 124345), (3826, 114595), (5330, 82259), (5590, 78433), (8815, 49738), (9565, 45838), (17630, 24869), (19130, 22919)]