2116400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 120

約数和(自身を含む): 6135024

約数和(自身を除く): 4018624

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 37, 40, 44, 50, 52, 55, 65, 74, 80, 88, 100, 104, 110, 130, 143, 148, 176, 185, 200, 208, 220, 260, 275, 286, 296, 325, 370, 400, 407, 440, 481, 520, 550, 572, 592, 650, 715, 740, 814, 880, 925, 962, 1040, 1100, 1144, 1300, 1430, 1480, 1628, 1850, 1924, 2035, 2200, 2288, 2405, 2600, 2860, 2960, 3256, 3575, 3700, 3848, 4070, 4400, 4810, 5200, 5291, 5720, 6512, 7150, 7400, 7696, 8140, 9620, 10175, 10582, 11440, 12025, 14300, 14800, 16280, 19240, 20350, 21164, 24050, 26455, 28600, 32560, 38480, 40700, 42328, 48100, 52910, 57200, 81400, 84656, 96200, 105820, 132275, 162800, 192400, 211640, 264550, 423280, 529100, 1058200, 2116400]

約数ペア:

[(1, 2116400), (2, 1058200), (4, 529100), (5, 423280), (8, 264550), (10, 211640), (11, 192400), (13, 162800), (16, 132275), (20, 105820), (22, 96200), (25, 84656), (26, 81400), (37, 57200), (40, 52910), (44, 48100), (50, 42328), (52, 40700), (55, 38480), (65, 32560), (74, 28600), (80, 26455), (88, 24050), (100, 21164), (104, 20350), (110, 19240), (130, 16280), (143, 14800), (148, 14300), (176, 12025), (185, 11440), (200, 10582), (208, 10175), (220, 9620), (260, 8140), (275, 7696), (286, 7400), (296, 7150), (325, 6512), (370, 5720), (400, 5291), (407, 5200), (440, 4810), (481, 4400), (520, 4070), (550, 3848), (572, 3700), (592, 3575), (650, 3256), (715, 2960), (740, 2860), (814, 2600), (880, 2405), (925, 2288), (962, 2200), (1040, 2035), (1100, 1924), (1144, 1850), (1300, 1628), (1430, 1480)]