16402400

素因数分解:

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

素因数の和:157

約数の個数: 144

約数和(自身を含む): 47809440

約数和(自身を除く): 31407040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 70, 80, 100, 101, 112, 116, 140, 145, 160, 175, 200, 202, 203, 224, 232, 280, 290, 350, 400, 404, 406, 464, 505, 560, 580, 700, 707, 725, 800, 808, 812, 928, 1010, 1015, 1120, 1160, 1400, 1414, 1450, 1616, 1624, 2020, 2030, 2320, 2525, 2800, 2828, 2900, 2929, 3232, 3248, 3535, 4040, 4060, 4640, 5050, 5075, 5600, 5656, 5800, 5858, 6496, 7070, 8080, 8120, 10100, 10150, 11312, 11600, 11716, 14140, 14645, 16160, 16240, 17675, 20200, 20300, 20503, 22624, 23200, 23432, 28280, 29290, 32480, 35350, 40400, 40600, 41006, 46864, 56560, 58580, 70700, 73225, 80800, 81200, 82012, 93728, 102515, 113120, 117160, 141400, 146450, 162400, 164024, 205030, 234320, 282800, 292900, 328048, 410060, 468640, 512575, 565600, 585800, 656096, 820120, 1025150, 1171600, 1640240, 2050300, 2343200, 3280480, 4100600, 8201200, 16402400]

約数ペア:

[(1, 16402400), (2, 8201200), (4, 4100600), (5, 3280480), (7, 2343200), (8, 2050300), (10, 1640240), (14, 1171600), (16, 1025150), (20, 820120), (25, 656096), (28, 585800), (29, 565600), (32, 512575), (35, 468640), (40, 410060), (50, 328048), (56, 292900), (58, 282800), (70, 234320), (80, 205030), (100, 164024), (101, 162400), (112, 146450), (116, 141400), (140, 117160), (145, 113120), (160, 102515), (175, 93728), (200, 82012), (202, 81200), (203, 80800), (224, 73225), (232, 70700), (280, 58580), (290, 56560), (350, 46864), (400, 41006), (404, 40600), (406, 40400), (464, 35350), (505, 32480), (560, 29290), (580, 28280), (700, 23432), (707, 23200), (725, 22624), (800, 20503), (808, 20300), (812, 20200), (928, 17675), (1010, 16240), (1015, 16160), (1120, 14645), (1160, 14140), (1400, 11716), (1414, 11600), (1450, 11312), (1616, 10150), (1624, 10100), (2020, 8120), (2030, 8080), (2320, 7070), (2525, 6496), (2800, 5858), (2828, 5800), (2900, 5656), (2929, 5600), (3232, 5075), (3248, 5050), (3535, 4640), (4040, 4060)]