1715980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 4481568

約数和(自身を除く): 2765588

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 103, 119, 140, 170, 196, 206, 238, 245, 340, 412, 476, 490, 515, 595, 721, 833, 980, 1030, 1190, 1442, 1666, 1751, 2060, 2380, 2884, 3332, 3502, 3605, 4165, 5047, 7004, 7210, 8330, 8755, 10094, 12257, 14420, 16660, 17510, 20188, 24514, 25235, 35020, 49028, 50470, 61285, 85799, 100940, 122570, 171598, 245140, 343196, 428995, 857990, 1715980]

約数ペア:

[(1, 1715980), (2, 857990), (4, 428995), (5, 343196), (7, 245140), (10, 171598), (14, 122570), (17, 100940), (20, 85799), (28, 61285), (34, 50470), (35, 49028), (49, 35020), (68, 25235), (70, 24514), (85, 20188), (98, 17510), (103, 16660), (119, 14420), (140, 12257), (170, 10094), (196, 8755), (206, 8330), (238, 7210), (245, 7004), (340, 5047), (412, 4165), (476, 3605), (490, 3502), (515, 3332), (595, 2884), (721, 2380), (833, 2060), (980, 1751), (1030, 1666), (1190, 1442)]