20174021000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17681}}^1$

素因数の和:17872

約数の個数: 128

約数和(自身を含む): 54285154560

約数和(自身を除く): 34111133560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 163, 175, 200, 250, 280, 326, 350, 500, 652, 700, 815, 875, 1000, 1141, 1304, 1400, 1630, 1750, 2282, 3260, 3500, 4075, 4564, 5705, 6520, 7000, 8150, 9128, 11410, 16300, 17681, 20375, 22820, 28525, 32600, 35362, 40750, 45640, 57050, 70724, 81500, 88405, 114100, 123767, 141448, 142625, 163000, 176810, 228200, 247534, 285250, 353620, 442025, 495068, 570500, 618835, 707240, 884050, 990136, 1141000, 1237670, 1768100, 2210125, 2475340, 2882003, 3094175, 3536200, 4420250, 4950680, 5764006, 6188350, 8840500, 11528012, 12376700, 14410015, 15470875, 17681000, 20174021, 23056024, 24753400, 28820030, 30941750, 40348042, 57640060, 61883500, 72050075, 80696084, 100870105, 115280120, 123767000, 144100150, 161392168, 201740210, 288200300, 360250375, 403480420, 504350525, 576400600, 720500750, 806960840, 1008701050, 1441001500, 2017402100, 2521752625, 2882003000, 4034804200, 5043505250, 10087010500, 20174021000]

約数ペア:

[(1, 20174021000), (2, 10087010500), (4, 5043505250), (5, 4034804200), (7, 2882003000), (8, 2521752625), (10, 2017402100), (14, 1441001500), (20, 1008701050), (25, 806960840), (28, 720500750), (35, 576400600), (40, 504350525), (50, 403480420), (56, 360250375), (70, 288200300), (100, 201740210), (125, 161392168), (140, 144100150), (163, 123767000), (175, 115280120), (200, 100870105), (250, 80696084), (280, 72050075), (326, 61883500), (350, 57640060), (500, 40348042), (652, 30941750), (700, 28820030), (815, 24753400), (875, 23056024), (1000, 20174021), (1141, 17681000), (1304, 15470875), (1400, 14410015), (1630, 12376700), (1750, 11528012), (2282, 8840500), (3260, 6188350), (3500, 5764006), (4075, 4950680), (4564, 4420250), (5705, 3536200), (6520, 3094175), (7000, 2882003), (8150, 2475340), (9128, 2210125), (11410, 1768100), (16300, 1237670), (17681, 1141000), (20375, 990136), (22820, 884050), (28525, 707240), (32600, 618835), (35362, 570500), (40750, 495068), (45640, 442025), (57050, 353620), (70724, 285250), (81500, 247534), (88405, 228200), (114100, 176810), (123767, 163000), (141448, 142625)]