28029400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20021}}^1$

素因数の和:20044

約数の個数: 48

約数和(自身を含む): 74481840

約数和(自身を除く): 46452440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20021, 40042, 80084, 100105, 140147, 160168, 200210, 280294, 400420, 500525, 560588, 700735, 800840, 1001050, 1121176, 1401470, 2002100, 2802940, 3503675, 4004200, 5605880, 7007350, 14014700, 28029400]

約数ペア:

[(1, 28029400), (2, 14014700), (4, 7007350), (5, 5605880), (7, 4004200), (8, 3503675), (10, 2802940), (14, 2002100), (20, 1401470), (25, 1121176), (28, 1001050), (35, 800840), (40, 700735), (50, 560588), (56, 500525), (70, 400420), (100, 280294), (140, 200210), (175, 160168), (200, 140147), (280, 100105), (350, 80084), (700, 40042), (1400, 20021)]