264860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 635040

約数和(自身を除く): 370180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 41, 68, 76, 82, 85, 95, 164, 170, 190, 205, 323, 340, 380, 410, 646, 697, 779, 820, 1292, 1394, 1558, 1615, 2788, 3116, 3230, 3485, 3895, 6460, 6970, 7790, 13243, 13940, 15580, 26486, 52972, 66215, 132430, 264860]

約数ペア:

[(1, 264860), (2, 132430), (4, 66215), (5, 52972), (10, 26486), (17, 15580), (19, 13940), (20, 13243), (34, 7790), (38, 6970), (41, 6460), (68, 3895), (76, 3485), (82, 3230), (85, 3116), (95, 2788), (164, 1615), (170, 1558), (190, 1394), (205, 1292), (323, 820), (340, 779), (380, 697), (410, 646)]