1269580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 3034080

約数和(自身を除く): 1764500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 257, 260, 380, 494, 514, 988, 1028, 1235, 1285, 2470, 2570, 3341, 4883, 4940, 5140, 6682, 9766, 13364, 16705, 19532, 24415, 33410, 48830, 63479, 66820, 97660, 126958, 253916, 317395, 634790, 1269580]

約数ペア:

[(1, 1269580), (2, 634790), (4, 317395), (5, 253916), (10, 126958), (13, 97660), (19, 66820), (20, 63479), (26, 48830), (38, 33410), (52, 24415), (65, 19532), (76, 16705), (95, 13364), (130, 9766), (190, 6682), (247, 5140), (257, 4940), (260, 4883), (380, 3341), (494, 2570), (514, 2470), (988, 1285), (1028, 1235)]