217565580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1543

約数の個数: 96

約数和(自身を含む): 646329600

約数和(自身を除く): 428764020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 139, 190, 228, 278, 285, 380, 417, 556, 570, 695, 834, 1140, 1373, 1390, 1668, 2085, 2641, 2746, 2780, 4119, 4170, 5282, 5492, 6865, 7923, 8238, 8340, 10564, 13205, 13730, 15846, 16476, 20595, 26087, 26410, 27460, 31692, 39615, 41190, 52174, 52820, 78261, 79230, 82380, 104348, 130435, 156522, 158460, 190847, 260870, 313044, 381694, 391305, 521740, 572541, 763388, 782610, 954235, 1145082, 1565220, 1908470, 2290164, 2862705, 3626093, 3816940, 5725410, 7252186, 10878279, 11450820, 14504372, 18130465, 21756558, 36260930, 43513116, 54391395, 72521860, 108782790, 217565580]

約数ペア:

[(1, 217565580), (2, 108782790), (3, 72521860), (4, 54391395), (5, 43513116), (6, 36260930), (10, 21756558), (12, 18130465), (15, 14504372), (19, 11450820), (20, 10878279), (30, 7252186), (38, 5725410), (57, 3816940), (60, 3626093), (76, 2862705), (95, 2290164), (114, 1908470), (139, 1565220), (190, 1145082), (228, 954235), (278, 782610), (285, 763388), (380, 572541), (417, 521740), (556, 391305), (570, 381694), (695, 313044), (834, 260870), (1140, 190847), (1373, 158460), (1390, 156522), (1668, 130435), (2085, 104348), (2641, 82380), (2746, 79230), (2780, 78261), (4119, 52820), (4170, 52174), (5282, 41190), (5492, 39615), (6865, 31692), (7923, 27460), (8238, 26410), (8340, 26087), (10564, 20595), (13205, 16476), (13730, 15846)]