2019908150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{9803}}^1$

素因数の和:10145

約数の個数: 48

約数和(自身を含む): 4059208944

約数和(自身を除く): 2039300794

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 317, 325, 634, 650, 1585, 3170, 4121, 7925, 8242, 9803, 15850, 19606, 20605, 41210, 49015, 98030, 103025, 127439, 206050, 245075, 254878, 490150, 637195, 1274390, 3107551, 3185975, 6215102, 6371950, 15537755, 31075510, 40398163, 77688775, 80796326, 155377550, 201990815, 403981630, 1009954075, 2019908150]

約数ペア:

[(1, 2019908150), (2, 1009954075), (5, 403981630), (10, 201990815), (13, 155377550), (25, 80796326), (26, 77688775), (50, 40398163), (65, 31075510), (130, 15537755), (317, 6371950), (325, 6215102), (634, 3185975), (650, 3107551), (1585, 1274390), (3170, 637195), (4121, 490150), (7925, 254878), (8242, 245075), (9803, 206050), (15850, 127439), (19606, 103025), (20605, 98030), (41210, 49015)]