66641540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{769}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 160406400

約数和(自身を除く): 93764860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619, 769, 1238, 1538, 2476, 3076, 3095, 3845, 4333, 5383, 6190, 7690, 8666, 10766, 12380, 15380, 17332, 21532, 21665, 26915, 43330, 53830, 86660, 107660, 476011, 952022, 1904044, 2380055, 3332077, 4760110, 6664154, 9520220, 13328308, 16660385, 33320770, 66641540]

約数ペア:

[(1, 66641540), (2, 33320770), (4, 16660385), (5, 13328308), (7, 9520220), (10, 6664154), (14, 4760110), (20, 3332077), (28, 2380055), (35, 1904044), (70, 952022), (140, 476011), (619, 107660), (769, 86660), (1238, 53830), (1538, 43330), (2476, 26915), (3076, 21665), (3095, 21532), (3845, 17332), (4333, 15380), (5383, 12380), (6190, 10766), (7690, 8666)]