81723400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^3\times {\mathrm{307}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 209674080

約数和(自身を除く): 127950680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 307, 440, 484, 550, 605, 614, 968, 1100, 1210, 1228, 1331, 1535, 2200, 2420, 2456, 2662, 3025, 3070, 3377, 4840, 5324, 6050, 6140, 6655, 6754, 7675, 10648, 12100, 12280, 13310, 13508, 15350, 16885, 24200, 26620, 27016, 30700, 33275, 33770, 37147, 53240, 61400, 66550, 67540, 74294, 84425, 133100, 135080, 148588, 168850, 185735, 266200, 297176, 337700, 371470, 408617, 675400, 742940, 817234, 928675, 1485880, 1634468, 1857350, 2043085, 3268936, 3714700, 4086170, 7429400, 8172340, 10215425, 16344680, 20430850, 40861700, 81723400]

約数ペア:

[(1, 81723400), (2, 40861700), (4, 20430850), (5, 16344680), (8, 10215425), (10, 8172340), (11, 7429400), (20, 4086170), (22, 3714700), (25, 3268936), (40, 2043085), (44, 1857350), (50, 1634468), (55, 1485880), (88, 928675), (100, 817234), (110, 742940), (121, 675400), (200, 408617), (220, 371470), (242, 337700), (275, 297176), (307, 266200), (440, 185735), (484, 168850), (550, 148588), (605, 135080), (614, 133100), (968, 84425), (1100, 74294), (1210, 67540), (1228, 66550), (1331, 61400), (1535, 53240), (2200, 37147), (2420, 33770), (2456, 33275), (2662, 30700), (3025, 27016), (3070, 26620), (3377, 24200), (4840, 16885), (5324, 15350), (6050, 13508), (6140, 13310), (6655, 12280), (6754, 12100), (7675, 10648)]