198950220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157897}}^1$

素因数の和:157919

約数の個数: 72

約数和(自身を含む): 689698464

約数和(自身を除く): 490748244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157897, 315794, 473691, 631588, 789485, 947382, 1105279, 1421073, 1578970, 1894764, 2210558, 2368455, 2842146, 3157940, 3315837, 4421116, 4736910, 5526395, 5684292, 6631674, 7105365, 9473820, 9947511, 11052790, 13263348, 14210730, 16579185, 19895022, 22105580, 28421460, 33158370, 39790044, 49737555, 66316740, 99475110, 198950220]

約数ペア:

[(1, 198950220), (2, 99475110), (3, 66316740), (4, 49737555), (5, 39790044), (6, 33158370), (7, 28421460), (9, 22105580), (10, 19895022), (12, 16579185), (14, 14210730), (15, 13263348), (18, 11052790), (20, 9947511), (21, 9473820), (28, 7105365), (30, 6631674), (35, 5684292), (36, 5526395), (42, 4736910), (45, 4421116), (60, 3315837), (63, 3157940), (70, 2842146), (84, 2368455), (90, 2210558), (105, 1894764), (126, 1578970), (140, 1421073), (180, 1105279), (210, 947382), (252, 789485), (315, 631588), (420, 473691), (630, 315794), (1260, 157897)]