266807660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{18869}}^1$

素因数の和:18986

約数の個数: 48

約数和(自身を含む): 646712640

約数和(自身を除く): 379904980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 18869, 37738, 75476, 94345, 132083, 188690, 264166, 377380, 528332, 660415, 1320830, 1905769, 2641660, 3811538, 7623076, 9528845, 13340383, 19057690, 26680766, 38115380, 53361532, 66701915, 133403830, 266807660]

約数ペア:

[(1, 266807660), (2, 133403830), (4, 66701915), (5, 53361532), (7, 38115380), (10, 26680766), (14, 19057690), (20, 13340383), (28, 9528845), (35, 7623076), (70, 3811538), (101, 2641660), (140, 1905769), (202, 1320830), (404, 660415), (505, 528332), (707, 377380), (1010, 264166), (1414, 188690), (2020, 132083), (2828, 94345), (3535, 75476), (7070, 37738), (14140, 18869)]