1948660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2889740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 449, 620, 868, 898, 1085, 1796, 2170, 2245, 3143, 4340, 4490, 6286, 8980, 12572, 13919, 15715, 27838, 31430, 55676, 62860, 69595, 97433, 139190, 194866, 278380, 389732, 487165, 974330, 1948660]

約数ペア:

[(1, 1948660), (2, 974330), (4, 487165), (5, 389732), (7, 278380), (10, 194866), (14, 139190), (20, 97433), (28, 69595), (31, 62860), (35, 55676), (62, 31430), (70, 27838), (124, 15715), (140, 13919), (155, 12572), (217, 8980), (310, 6286), (434, 4490), (449, 4340), (620, 3143), (868, 2245), (898, 2170), (1085, 1796)]