28790300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3739}}^1$

素因数の和:3771

約数の個数: 72

約数和(自身を含む): 77911680

約数和(自身を除く): 49121380

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, 3739, 3850, 7478, 7700, 14956, 18695, 26173, 37390, 41129, 52346, 74780, 82258, 93475, 104692, 130865, 164516, 186950, 205645, 261730, 287903, 373900, 411290, 523460, 575806, 654325, 822580, 1028225, 1151612, 1308650, 1439515, 2056450, 2617300, 2879030, 4112900, 5758060, 7197575, 14395150, 28790300]

約数ペア:

[(1, 28790300), (2, 14395150), (4, 7197575), (5, 5758060), (7, 4112900), (10, 2879030), (11, 2617300), (14, 2056450), (20, 1439515), (22, 1308650), (25, 1151612), (28, 1028225), (35, 822580), (44, 654325), (50, 575806), (55, 523460), (70, 411290), (77, 373900), (100, 287903), (110, 261730), (140, 205645), (154, 186950), (175, 164516), (220, 130865), (275, 104692), (308, 93475), (350, 82258), (385, 74780), (550, 52346), (700, 41129), (770, 37390), (1100, 26173), (1540, 18695), (1925, 14956), (3739, 7700), (3850, 7478)]