28744100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3733}}^1$

素因数の和:3765

約数の個数: 72

約数和(自身を含む): 77786688

約数和(自身を除く): 49042588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3733, 3850, 7466, 7700, 14932, 18665, 26131, 37330, 41063, 52262, 74660, 82126, 93325, 104524, 130655, 164252, 186650, 205315, 261310, 287441, 373300, 410630, 522620, 574882, 653275, 821260, 1026575, 1149764, 1306550, 1437205, 2053150, 2613100, 2874410, 4106300, 5748820, 7186025, 14372050, 28744100]

約数ペア:

[(1, 28744100), (2, 14372050), (4, 7186025), (5, 5748820), (7, 4106300), (10, 2874410), (11, 2613100), (14, 2053150), (20, 1437205), (22, 1306550), (25, 1149764), (28, 1026575), (35, 821260), (44, 653275), (50, 574882), (55, 522620), (70, 410630), (77, 373300), (100, 287441), (110, 261310), (140, 205315), (154, 186650), (175, 164252), (220, 130655), (275, 104524), (308, 93325), (350, 82126), (385, 74660), (550, 52262), (700, 41063), (770, 37330), (1100, 26131), (1540, 18665), (1925, 14932), (3733, 7700), (3850, 7466)]