1330981540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{500369}}^1$

素因数の和:500404

約数の個数: 48

約数和(自身を含む): 3362486400

約数和(自身を除く): 2031504860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 500369, 1000738, 2001476, 2501845, 3502583, 5003690, 7005166, 9507011, 10007380, 14010332, 17512915, 19014022, 35025830, 38028044, 47535055, 66549077, 70051660, 95070110, 133098154, 190140220, 266196308, 332745385, 665490770, 1330981540]

約数ペア:

[(1, 1330981540), (2, 665490770), (4, 332745385), (5, 266196308), (7, 190140220), (10, 133098154), (14, 95070110), (19, 70051660), (20, 66549077), (28, 47535055), (35, 38028044), (38, 35025830), (70, 19014022), (76, 17512915), (95, 14010332), (133, 10007380), (140, 9507011), (190, 7005166), (266, 5003690), (380, 3502583), (532, 2501845), (665, 2001476), (1330, 1000738), (2660, 500369)]