51257500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 133832160

約数和(自身を除く): 82574660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 101, 116, 125, 140, 145, 175, 202, 203, 250, 290, 350, 404, 406, 500, 505, 580, 625, 700, 707, 725, 812, 875, 1010, 1015, 1250, 1414, 1450, 1750, 2020, 2030, 2500, 2525, 2828, 2900, 2929, 3500, 3535, 3625, 4060, 4375, 5050, 5075, 5858, 7070, 7250, 8750, 10100, 10150, 11716, 12625, 14140, 14500, 14645, 17500, 17675, 18125, 20300, 20503, 25250, 25375, 29290, 35350, 36250, 41006, 50500, 50750, 58580, 63125, 70700, 72500, 73225, 82012, 88375, 101500, 102515, 126250, 126875, 146450, 176750, 205030, 252500, 253750, 292900, 353500, 366125, 410060, 441875, 507500, 512575, 732250, 883750, 1025150, 1464500, 1767500, 1830625, 2050300, 2562875, 3661250, 5125750, 7322500, 10251500, 12814375, 25628750, 51257500]

約数ペア:

[(1, 51257500), (2, 25628750), (4, 12814375), (5, 10251500), (7, 7322500), (10, 5125750), (14, 3661250), (20, 2562875), (25, 2050300), (28, 1830625), (29, 1767500), (35, 1464500), (50, 1025150), (58, 883750), (70, 732250), (100, 512575), (101, 507500), (116, 441875), (125, 410060), (140, 366125), (145, 353500), (175, 292900), (202, 253750), (203, 252500), (250, 205030), (290, 176750), (350, 146450), (404, 126875), (406, 126250), (500, 102515), (505, 101500), (580, 88375), (625, 82012), (700, 73225), (707, 72500), (725, 70700), (812, 63125), (875, 58580), (1010, 50750), (1015, 50500), (1250, 41006), (1414, 36250), (1450, 35350), (1750, 29290), (2020, 25375), (2030, 25250), (2500, 20503), (2525, 20300), (2828, 18125), (2900, 17675), (2929, 17500), (3500, 14645), (3535, 14500), (3625, 14140), (4060, 12625), (4375, 11716), (5050, 10150), (5075, 10100), (5858, 8750), (7070, 7250)]