1898220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 5630688

約数和(自身を除く): 3732468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1861, 3722, 5583, 7444, 9305, 11166, 18610, 22332, 27915, 31637, 37220, 55830, 63274, 94911, 111660, 126548, 158185, 189822, 316370, 379644, 474555, 632740, 949110, 1898220]

約数ペア:

[(1, 1898220), (2, 949110), (3, 632740), (4, 474555), (5, 379644), (6, 316370), (10, 189822), (12, 158185), (15, 126548), (17, 111660), (20, 94911), (30, 63274), (34, 55830), (51, 37220), (60, 31637), (68, 27915), (85, 22332), (102, 18610), (170, 11166), (204, 9305), (255, 7444), (340, 5583), (510, 3722), (1020, 1861)]