445270670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 896361984

約数和(自身を除く): 451091314

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 313, 353, 403, 626, 706, 806, 1565, 1765, 2015, 3130, 3530, 4030, 4069, 4589, 8138, 9178, 9703, 10943, 19406, 20345, 21886, 22945, 40690, 45890, 48515, 54715, 97030, 109430, 110489, 126139, 142259, 220978, 252278, 284518, 552445, 630695, 711295, 1104890, 1261390, 1422590, 1436357, 2872714, 3425159, 6850318, 7181785, 14363570, 17125795, 34251590, 44527067, 89054134, 222635335, 445270670]

約数ペア:

[(1, 445270670), (2, 222635335), (5, 89054134), (10, 44527067), (13, 34251590), (26, 17125795), (31, 14363570), (62, 7181785), (65, 6850318), (130, 3425159), (155, 2872714), (310, 1436357), (313, 1422590), (353, 1261390), (403, 1104890), (626, 711295), (706, 630695), (806, 552445), (1565, 284518), (1765, 252278), (2015, 220978), (3130, 142259), (3530, 126139), (4030, 110489), (4069, 109430), (4589, 97030), (8138, 54715), (9178, 48515), (9703, 45890), (10943, 40690), (19406, 22945), (20345, 21886)]