28441890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4451}}^1$

素因数の和:4535

約数の個数: 48

約数和(自身を含む): 75007296

約数和(自身を除く): 46565406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4451, 6390, 8902, 13353, 22255, 26706, 40059, 44510, 66765, 80118, 133530, 200295, 316021, 400590, 632042, 948063, 1580105, 1896126, 2844189, 3160210, 4740315, 5688378, 9480630, 14220945, 28441890]

約数ペア:

[(1, 28441890), (2, 14220945), (3, 9480630), (5, 5688378), (6, 4740315), (9, 3160210), (10, 2844189), (15, 1896126), (18, 1580105), (30, 948063), (45, 632042), (71, 400590), (90, 316021), (142, 200295), (213, 133530), (355, 80118), (426, 66765), (639, 44510), (710, 40059), (1065, 26706), (1278, 22255), (2130, 13353), (3195, 8902), (4451, 6390)]