128977100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8011}}^1$

素因数の和:8055

約数の個数: 72

約数和(自身を含む): 333811968

約数和(自身を除く): 204834868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 8011, 8050, 16022, 16100, 32044, 40055, 56077, 80110, 112154, 160220, 184253, 200275, 224308, 280385, 368506, 400550, 560770, 737012, 801100, 921265, 1121540, 1289771, 1401925, 1842530, 2579542, 2803850, 3685060, 4606325, 5159084, 5607700, 6448855, 9212650, 12897710, 18425300, 25795420, 32244275, 64488550, 128977100]

約数ペア:

[(1, 128977100), (2, 64488550), (4, 32244275), (5, 25795420), (7, 18425300), (10, 12897710), (14, 9212650), (20, 6448855), (23, 5607700), (25, 5159084), (28, 4606325), (35, 3685060), (46, 2803850), (50, 2579542), (70, 1842530), (92, 1401925), (100, 1289771), (115, 1121540), (140, 921265), (161, 801100), (175, 737012), (230, 560770), (322, 400550), (350, 368506), (460, 280385), (575, 224308), (644, 200275), (700, 184253), (805, 160220), (1150, 112154), (1610, 80110), (2300, 56077), (3220, 40055), (4025, 32044), (8011, 16100), (8050, 16022)]