2080971390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1394

約数の個数: 128

約数和(自身を含む): 5472000000

約数和(自身を除く): 3391028610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 79, 95, 111, 114, 158, 185, 190, 222, 237, 285, 370, 395, 474, 555, 570, 703, 790, 1110, 1185, 1249, 1406, 1501, 2109, 2370, 2498, 2923, 3002, 3515, 3747, 4218, 4503, 5846, 6245, 7030, 7494, 7505, 8769, 9006, 10545, 12490, 14615, 15010, 17538, 18735, 21090, 22515, 23731, 29230, 37470, 43845, 45030, 46213, 47462, 55537, 71193, 87690, 92426, 98671, 111074, 118655, 138639, 142386, 166611, 197342, 231065, 237310, 277278, 277685, 296013, 333222, 355965, 462130, 493355, 555370, 592026, 693195, 711930, 833055, 878047, 986710, 1386390, 1480065, 1666110, 1756094, 1874749, 2634141, 2960130, 3650827, 3749498, 4390235, 5268282, 5624247, 7301654, 8780470, 9373745, 10952481, 11248494, 13170705, 18254135, 18747490, 21904962, 26341410, 28121235, 36508270, 54762405, 56242470, 69365713, 109524810, 138731426, 208097139, 346828565, 416194278, 693657130, 1040485695, 2080971390]

約数ペア:

[(1, 2080971390), (2, 1040485695), (3, 693657130), (5, 416194278), (6, 346828565), (10, 208097139), (15, 138731426), (19, 109524810), (30, 69365713), (37, 56242470), (38, 54762405), (57, 36508270), (74, 28121235), (79, 26341410), (95, 21904962), (111, 18747490), (114, 18254135), (158, 13170705), (185, 11248494), (190, 10952481), (222, 9373745), (237, 8780470), (285, 7301654), (370, 5624247), (395, 5268282), (474, 4390235), (555, 3749498), (570, 3650827), (703, 2960130), (790, 2634141), (1110, 1874749), (1185, 1756094), (1249, 1666110), (1406, 1480065), (1501, 1386390), (2109, 986710), (2370, 878047), (2498, 833055), (2923, 711930), (3002, 693195), (3515, 592026), (3747, 555370), (4218, 493355), (4503, 462130), (5846, 355965), (6245, 333222), (7030, 296013), (7494, 277685), (7505, 277278), (8769, 237310), (9006, 231065), (10545, 197342), (12490, 166611), (14615, 142386), (15010, 138639), (17538, 118655), (18735, 111074), (21090, 98671), (22515, 92426), (23731, 87690), (29230, 71193), (37470, 55537), (43845, 47462), (45030, 46213)]