195979980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{466619}}^1$

素因数の和:466638

約数の個数: 48

約数和(自身を含む): 627137280

約数和(自身を除く): 431157300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 466619, 933238, 1399857, 1866476, 2333095, 2799714, 3266333, 4666190, 5599428, 6532666, 6999285, 9332380, 9798999, 13065332, 13998570, 16331665, 19597998, 27997140, 32663330, 39195996, 48994995, 65326660, 97989990, 195979980]

約数ペア:

[(1, 195979980), (2, 97989990), (3, 65326660), (4, 48994995), (5, 39195996), (6, 32663330), (7, 27997140), (10, 19597998), (12, 16331665), (14, 13998570), (15, 13065332), (20, 9798999), (21, 9332380), (28, 6999285), (30, 6532666), (35, 5599428), (42, 4666190), (60, 3266333), (70, 2799714), (84, 2333095), (105, 1866476), (140, 1399857), (210, 933238), (420, 466619)]