2180996860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{12433}}^1$

素因数の和:12635

約数の個数: 72

約数和(自身を含む): 5358059280

約数和(自身を除く): 3177062420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 895, 980, 1253, 1790, 2506, 3580, 5012, 6265, 8771, 12433, 12530, 17542, 24866, 25060, 35084, 43855, 49732, 62165, 87031, 87710, 124330, 174062, 175420, 248660, 348124, 435155, 609217, 870310, 1218434, 1740620, 2225507, 2436868, 3046085, 4451014, 6092170, 8902028, 11127535, 12184340, 15578549, 22255070, 31157098, 44510140, 62314196, 77892745, 109049843, 155785490, 218099686, 311570980, 436199372, 545249215, 1090498430, 2180996860]

約数ペア:

[(1, 2180996860), (2, 1090498430), (4, 545249215), (5, 436199372), (7, 311570980), (10, 218099686), (14, 155785490), (20, 109049843), (28, 77892745), (35, 62314196), (49, 44510140), (70, 31157098), (98, 22255070), (140, 15578549), (179, 12184340), (196, 11127535), (245, 8902028), (358, 6092170), (490, 4451014), (716, 3046085), (895, 2436868), (980, 2225507), (1253, 1740620), (1790, 1218434), (2506, 870310), (3580, 609217), (5012, 435155), (6265, 348124), (8771, 248660), (12433, 175420), (12530, 174062), (17542, 124330), (24866, 87710), (25060, 87031), (35084, 62165), (43855, 49732)]