1994440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3448760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 419, 476, 595, 680, 838, 952, 1190, 1676, 2095, 2380, 2933, 3352, 4190, 4760, 5866, 7123, 8380, 11732, 14246, 14665, 16760, 23464, 28492, 29330, 35615, 49861, 56984, 58660, 71230, 99722, 117320, 142460, 199444, 249305, 284920, 398888, 498610, 997220, 1994440]

約数ペア:

[(1, 1994440), (2, 997220), (4, 498610), (5, 398888), (7, 284920), (8, 249305), (10, 199444), (14, 142460), (17, 117320), (20, 99722), (28, 71230), (34, 58660), (35, 56984), (40, 49861), (56, 35615), (68, 29330), (70, 28492), (85, 23464), (119, 16760), (136, 14665), (140, 14246), (170, 11732), (238, 8380), (280, 7123), (340, 5866), (419, 4760), (476, 4190), (595, 3352), (680, 2933), (838, 2380), (952, 2095), (1190, 1676)]