489485220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61339}}^1$

素因数の和:61377

約数の個数: 96

約数和(自身を含む): 1648819200

約数和(自身を除く): 1159333980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 61339, 122678, 184017, 245356, 306695, 368034, 429373, 613390, 736068, 858746, 920085, 1165441, 1226780, 1288119, 1717492, 1840170, 2146865, 2330882, 2576238, 3496323, 3680340, 4293730, 4661764, 5152476, 5827205, 6440595, 6992646, 8158087, 8587460, 11654410, 12881190, 13985292, 16316174, 17481615, 23308820, 24474261, 25762380, 32632348, 34963230, 40790435, 48948522, 69926460, 81580870, 97897044, 122371305, 163161740, 244742610, 489485220]

約数ペア:

[(1, 489485220), (2, 244742610), (3, 163161740), (4, 122371305), (5, 97897044), (6, 81580870), (7, 69926460), (10, 48948522), (12, 40790435), (14, 34963230), (15, 32632348), (19, 25762380), (20, 24474261), (21, 23308820), (28, 17481615), (30, 16316174), (35, 13985292), (38, 12881190), (42, 11654410), (57, 8587460), (60, 8158087), (70, 6992646), (76, 6440595), (84, 5827205), (95, 5152476), (105, 4661764), (114, 4293730), (133, 3680340), (140, 3496323), (190, 2576238), (210, 2330882), (228, 2146865), (266, 1840170), (285, 1717492), (380, 1288119), (399, 1226780), (420, 1165441), (532, 920085), (570, 858746), (665, 736068), (798, 613390), (1140, 429373), (1330, 368034), (1596, 306695), (1995, 245356), (2660, 184017), (3990, 122678), (7980, 61339)]