280364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 645120

約数和(自身を除く): 364756

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 31, 34, 38, 62, 68, 76, 119, 124, 133, 217, 238, 266, 323, 434, 476, 527, 532, 589, 646, 868, 1054, 1178, 1292, 2108, 2261, 2356, 3689, 4123, 4522, 7378, 8246, 9044, 10013, 14756, 16492, 20026, 40052, 70091, 140182, 280364]

約数ペア:

[(1, 280364), (2, 140182), (4, 70091), (7, 40052), (14, 20026), (17, 16492), (19, 14756), (28, 10013), (31, 9044), (34, 8246), (38, 7378), (62, 4522), (68, 4123), (76, 3689), (119, 2356), (124, 2261), (133, 2108), (217, 1292), (238, 1178), (266, 1054), (323, 868), (434, 646), (476, 589), (527, 532)]