28394170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 63256320

約数和(自身を除く): 34862150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 74, 95, 133, 185, 190, 259, 266, 370, 518, 577, 665, 703, 1154, 1295, 1330, 1406, 2590, 2885, 3515, 4039, 4921, 5770, 7030, 8078, 9842, 10963, 20195, 21349, 21926, 24605, 40390, 42698, 49210, 54815, 76741, 106745, 109630, 149443, 153482, 213490, 298886, 383705, 405631, 747215, 767410, 811262, 1494430, 2028155, 2839417, 4056310, 5678834, 14197085, 28394170]

約数ペア:

[(1, 28394170), (2, 14197085), (5, 5678834), (7, 4056310), (10, 2839417), (14, 2028155), (19, 1494430), (35, 811262), (37, 767410), (38, 747215), (70, 405631), (74, 383705), (95, 298886), (133, 213490), (185, 153482), (190, 149443), (259, 109630), (266, 106745), (370, 76741), (518, 54815), (577, 49210), (665, 42698), (703, 40390), (1154, 24605), (1295, 21926), (1330, 21349), (1406, 20195), (2590, 10963), (2885, 9842), (3515, 8078), (4039, 7030), (4921, 5770)]