28752700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 67617200

約数和(自身を除く): 38864500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 409, 475, 703, 740, 818, 925, 950, 1406, 1636, 1850, 1900, 2045, 2812, 3515, 3700, 4090, 7030, 7771, 8180, 10225, 14060, 15133, 15542, 17575, 20450, 30266, 31084, 35150, 38855, 40900, 60532, 70300, 75665, 77710, 151330, 155420, 194275, 287527, 302660, 378325, 388550, 575054, 756650, 777100, 1150108, 1437635, 1513300, 2875270, 5750540, 7188175, 14376350, 28752700]

約数ペア:

[(1, 28752700), (2, 14376350), (4, 7188175), (5, 5750540), (10, 2875270), (19, 1513300), (20, 1437635), (25, 1150108), (37, 777100), (38, 756650), (50, 575054), (74, 388550), (76, 378325), (95, 302660), (100, 287527), (148, 194275), (185, 155420), (190, 151330), (370, 77710), (380, 75665), (409, 70300), (475, 60532), (703, 40900), (740, 38855), (818, 35150), (925, 31084), (950, 30266), (1406, 20450), (1636, 17575), (1850, 15542), (1900, 15133), (2045, 14060), (2812, 10225), (3515, 8180), (3700, 7771), (4090, 7030)]