380904420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{488339}}^1$

素因数の和:488364

約数の個数: 48

約数和(自身を含む): 1148575680

約数和(自身を除く): 767671260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 488339, 976678, 1465017, 1953356, 2441695, 2930034, 4883390, 5860068, 6348407, 7325085, 9766780, 12696814, 14650170, 19045221, 25393628, 29300340, 31742035, 38090442, 63484070, 76180884, 95226105, 126968140, 190452210, 380904420]

約数ペア:

[(1, 380904420), (2, 190452210), (3, 126968140), (4, 95226105), (5, 76180884), (6, 63484070), (10, 38090442), (12, 31742035), (13, 29300340), (15, 25393628), (20, 19045221), (26, 14650170), (30, 12696814), (39, 9766780), (52, 7325085), (60, 6348407), (65, 5860068), (78, 4883390), (130, 2930034), (156, 2441695), (195, 1953356), (260, 1465017), (390, 976678), (780, 488339)]