401045540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{150769}}^1$

素因数の和:150804

約数の個数: 48

約数和(自身を含む): 1013174400

約数和(自身を除く): 612128860

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, 150769, 301538, 603076, 753845, 1055383, 1507690, 2110766, 2864611, 3015380, 4221532, 5276915, 5729222, 10553830, 11458444, 14323055, 20052277, 21107660, 28646110, 40104554, 57292220, 80209108, 100261385, 200522770, 401045540]

約数ペア:

[(1, 401045540), (2, 200522770), (4, 100261385), (5, 80209108), (7, 57292220), (10, 40104554), (14, 28646110), (19, 21107660), (20, 20052277), (28, 14323055), (35, 11458444), (38, 10553830), (70, 5729222), (76, 5276915), (95, 4221532), (133, 3015380), (140, 2864611), (190, 2110766), (266, 1507690), (380, 1055383), (532, 753845), (665, 603076), (1330, 301538), (2660, 150769)]