57128680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{547}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 147565440

約数和(自身を除く): 90436760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 547, 746, 1094, 1492, 1865, 2188, 2611, 2735, 2984, 3730, 3829, 4376, 5222, 5470, 7460, 7658, 10444, 10940, 13055, 14920, 15316, 19145, 20888, 21880, 26110, 30632, 38290, 52220, 76580, 104440, 153160, 204031, 408062, 816124, 1020155, 1428217, 1632248, 2040310, 2856434, 4080620, 5712868, 7141085, 8161240, 11425736, 14282170, 28564340, 57128680]

約数ペア:

[(1, 57128680), (2, 28564340), (4, 14282170), (5, 11425736), (7, 8161240), (8, 7141085), (10, 5712868), (14, 4080620), (20, 2856434), (28, 2040310), (35, 1632248), (40, 1428217), (56, 1020155), (70, 816124), (140, 408062), (280, 204031), (373, 153160), (547, 104440), (746, 76580), (1094, 52220), (1492, 38290), (1865, 30632), (2188, 26110), (2611, 21880), (2735, 20888), (2984, 19145), (3730, 15316), (3829, 14920), (4376, 13055), (5222, 10940), (5470, 10444), (7460, 7658)]