313880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 864000

約数和(自身を除く): 550120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 95, 118, 133, 140, 152, 190, 236, 266, 280, 295, 380, 413, 472, 532, 590, 665, 760, 826, 1064, 1121, 1180, 1330, 1652, 2065, 2242, 2360, 2660, 3304, 4130, 4484, 5320, 5605, 7847, 8260, 8968, 11210, 15694, 16520, 22420, 31388, 39235, 44840, 62776, 78470, 156940, 313880]

約数ペア:

[(1, 313880), (2, 156940), (4, 78470), (5, 62776), (7, 44840), (8, 39235), (10, 31388), (14, 22420), (19, 16520), (20, 15694), (28, 11210), (35, 8968), (38, 8260), (40, 7847), (56, 5605), (59, 5320), (70, 4484), (76, 4130), (95, 3304), (118, 2660), (133, 2360), (140, 2242), (152, 2065), (190, 1652), (236, 1330), (266, 1180), (280, 1121), (295, 1064), (380, 826), (413, 760), (472, 665), (532, 590)]