2856490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 6564096

約数和(自身を除く): 3707606

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 73, 86, 91, 130, 146, 182, 215, 301, 365, 430, 455, 511, 559, 602, 730, 910, 949, 1022, 1118, 1505, 1898, 2555, 2795, 3010, 3139, 3913, 4745, 5110, 5590, 6278, 6643, 7826, 9490, 13286, 15695, 19565, 21973, 31390, 33215, 39130, 40807, 43946, 66430, 81614, 109865, 204035, 219730, 285649, 408070, 571298, 1428245, 2856490]

約数ペア:

[(1, 2856490), (2, 1428245), (5, 571298), (7, 408070), (10, 285649), (13, 219730), (14, 204035), (26, 109865), (35, 81614), (43, 66430), (65, 43946), (70, 40807), (73, 39130), (86, 33215), (91, 31390), (130, 21973), (146, 19565), (182, 15695), (215, 13286), (301, 9490), (365, 7826), (430, 6643), (455, 6278), (511, 5590), (559, 5110), (602, 4745), (730, 3913), (910, 3139), (949, 3010), (1022, 2795), (1118, 2555), (1505, 1898)]