178220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 456960

約数和(自身を除く): 278740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 67, 70, 76, 95, 133, 134, 140, 190, 266, 268, 335, 380, 469, 532, 665, 670, 938, 1273, 1330, 1340, 1876, 2345, 2546, 2660, 4690, 5092, 6365, 8911, 9380, 12730, 17822, 25460, 35644, 44555, 89110, 178220]

約数ペア:

[(1, 178220), (2, 89110), (4, 44555), (5, 35644), (7, 25460), (10, 17822), (14, 12730), (19, 9380), (20, 8911), (28, 6365), (35, 5092), (38, 4690), (67, 2660), (70, 2546), (76, 2345), (95, 1876), (133, 1340), (134, 1330), (140, 1273), (190, 938), (266, 670), (268, 665), (335, 532), (380, 469)]