148400920

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2239}}^1$

素因数の和:3907

約数の個数: 32

約数和(自身を含む): 334252800

約数和(自身を除く): 185851880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 2239, 3314, 4478, 6628, 8285, 8956, 11195, 13256, 16570, 17912, 22390, 33140, 44780, 66280, 89560, 3710023, 7420046, 14840092, 18550115, 29680184, 37100230, 74200460, 148400920]

約数ペア:

[(1, 148400920), (2, 74200460), (4, 37100230), (5, 29680184), (8, 18550115), (10, 14840092), (20, 7420046), (40, 3710023), (1657, 89560), (2239, 66280), (3314, 44780), (4478, 33140), (6628, 22390), (8285, 17912), (8956, 16570), (11195, 13256)]