201614420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 494696160

約数和(自身を除く): 293081740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 419, 490, 491, 838, 980, 982, 1676, 1964, 2095, 2455, 2933, 3437, 4190, 4910, 5866, 6874, 8380, 9820, 11732, 13748, 14665, 17185, 20531, 24059, 29330, 34370, 41062, 48118, 58660, 68740, 82124, 96236, 102655, 120295, 205310, 205729, 240590, 410620, 411458, 481180, 822916, 1028645, 1440103, 2057290, 2880206, 4114580, 5760412, 7200515, 10080721, 14401030, 20161442, 28802060, 40322884, 50403605, 100807210, 201614420]

約数ペア:

[(1, 201614420), (2, 100807210), (4, 50403605), (5, 40322884), (7, 28802060), (10, 20161442), (14, 14401030), (20, 10080721), (28, 7200515), (35, 5760412), (49, 4114580), (70, 2880206), (98, 2057290), (140, 1440103), (196, 1028645), (245, 822916), (419, 481180), (490, 411458), (491, 410620), (838, 240590), (980, 205729), (982, 205310), (1676, 120295), (1964, 102655), (2095, 96236), (2455, 82124), (2933, 68740), (3437, 58660), (4190, 48118), (4910, 41062), (5866, 34370), (6874, 29330), (8380, 24059), (9820, 20531), (11732, 17185), (13748, 14665)]