199482780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474959}}^1$

素因数の和:474978

約数の個数: 48

約数和(自身を含む): 638346240

約数和(自身を除く): 438863460

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, 474959, 949918, 1424877, 1899836, 2374795, 2849754, 3324713, 4749590, 5699508, 6649426, 7124385, 9499180, 9974139, 13298852, 14248770, 16623565, 19948278, 28497540, 33247130, 39896556, 49870695, 66494260, 99741390, 199482780]

約数ペア:

[(1, 199482780), (2, 99741390), (3, 66494260), (4, 49870695), (5, 39896556), (6, 33247130), (7, 28497540), (10, 19948278), (12, 16623565), (14, 14248770), (15, 13298852), (20, 9974139), (21, 9499180), (28, 7124385), (30, 6649426), (35, 5699508), (42, 4749590), (60, 3324713), (70, 2849754), (84, 2374795), (105, 1899836), (140, 1424877), (210, 949918), (420, 474959)]