81571000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 224040960

約数和(自身を除く): 142469960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 100, 125, 140, 172, 175, 200, 215, 250, 271, 280, 301, 344, 350, 430, 500, 542, 602, 700, 860, 875, 1000, 1075, 1084, 1204, 1355, 1400, 1505, 1720, 1750, 1897, 2150, 2168, 2408, 2710, 3010, 3500, 3794, 4300, 5375, 5420, 6020, 6775, 7000, 7525, 7588, 8600, 9485, 10750, 10840, 11653, 12040, 13550, 15050, 15176, 18970, 21500, 23306, 27100, 30100, 33875, 37625, 37940, 43000, 46612, 47425, 54200, 58265, 60200, 67750, 75250, 75880, 81571, 93224, 94850, 116530, 135500, 150500, 163142, 189700, 233060, 237125, 271000, 291325, 301000, 326284, 379400, 407855, 466120, 474250, 582650, 652568, 815710, 948500, 1165300, 1456625, 1631420, 1897000, 2039275, 2330600, 2913250, 3262840, 4078550, 5826500, 8157100, 10196375, 11653000, 16314200, 20392750, 40785500, 81571000]

約数ペア:

[(1, 81571000), (2, 40785500), (4, 20392750), (5, 16314200), (7, 11653000), (8, 10196375), (10, 8157100), (14, 5826500), (20, 4078550), (25, 3262840), (28, 2913250), (35, 2330600), (40, 2039275), (43, 1897000), (50, 1631420), (56, 1456625), (70, 1165300), (86, 948500), (100, 815710), (125, 652568), (140, 582650), (172, 474250), (175, 466120), (200, 407855), (215, 379400), (250, 326284), (271, 301000), (280, 291325), (301, 271000), (344, 237125), (350, 233060), (430, 189700), (500, 163142), (542, 150500), (602, 135500), (700, 116530), (860, 94850), (875, 93224), (1000, 81571), (1075, 75880), (1084, 75250), (1204, 67750), (1355, 60200), (1400, 58265), (1505, 54200), (1720, 47425), (1750, 46612), (1897, 43000), (2150, 37940), (2168, 37625), (2408, 33875), (2710, 30100), (3010, 27100), (3500, 23306), (3794, 21500), (4300, 18970), (5375, 15176), (5420, 15050), (6020, 13550), (6775, 12040), (7000, 11653), (7525, 10840), (7588, 10750), (8600, 9485)]