1676780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4309200

約数和(自身を除く): 2632420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 59, 70, 98, 116, 118, 140, 145, 196, 203, 236, 245, 290, 295, 406, 413, 490, 580, 590, 812, 826, 980, 1015, 1180, 1421, 1652, 1711, 2030, 2065, 2842, 2891, 3422, 4060, 4130, 5684, 5782, 6844, 7105, 8260, 8555, 11564, 11977, 14210, 14455, 17110, 23954, 28420, 28910, 34220, 47908, 57820, 59885, 83839, 119770, 167678, 239540, 335356, 419195, 838390, 1676780]

約数ペア:

[(1, 1676780), (2, 838390), (4, 419195), (5, 335356), (7, 239540), (10, 167678), (14, 119770), (20, 83839), (28, 59885), (29, 57820), (35, 47908), (49, 34220), (58, 28910), (59, 28420), (70, 23954), (98, 17110), (116, 14455), (118, 14210), (140, 11977), (145, 11564), (196, 8555), (203, 8260), (236, 7105), (245, 6844), (290, 5782), (295, 5684), (406, 4130), (413, 4060), (490, 3422), (580, 2891), (590, 2842), (812, 2065), (826, 2030), (980, 1711), (1015, 1652), (1180, 1421)]