201900420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4139}}^1$

素因数の和:4425

約数の個数: 72

約数和(自身を含む): 614839680

約数和(自身を除く): 412939260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2710, 3252, 4065, 4139, 4878, 5420, 8130, 8278, 9756, 12195, 12417, 16260, 16556, 20695, 24390, 24834, 37251, 41390, 48780, 49668, 62085, 74502, 82780, 124170, 149004, 186255, 248340, 372510, 745020, 1121669, 2243338, 3365007, 4486676, 5608345, 6730014, 10095021, 11216690, 13460028, 16825035, 20190042, 22433380, 33650070, 40380084, 50475105, 67300140, 100950210, 201900420]

約数ペア:

[(1, 201900420), (2, 100950210), (3, 67300140), (4, 50475105), (5, 40380084), (6, 33650070), (9, 22433380), (10, 20190042), (12, 16825035), (15, 13460028), (18, 11216690), (20, 10095021), (30, 6730014), (36, 5608345), (45, 4486676), (60, 3365007), (90, 2243338), (180, 1121669), (271, 745020), (542, 372510), (813, 248340), (1084, 186255), (1355, 149004), (1626, 124170), (2439, 82780), (2710, 74502), (3252, 62085), (4065, 49668), (4139, 48780), (4878, 41390), (5420, 37251), (8130, 24834), (8278, 24390), (9756, 20695), (12195, 16556), (12417, 16260)]