87873940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1397

約数の個数: 96

約数和(自身を含む): 235597824

約数和(自身を除く): 147723884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1327, 1505, 1540, 1892, 2365, 2654, 3010, 3311, 4730, 5308, 6020, 6622, 6635, 9289, 9460, 13244, 13270, 14597, 16555, 18578, 26540, 29194, 33110, 37156, 46445, 57061, 58388, 66220, 72985, 92890, 102179, 114122, 145970, 185780, 204358, 228244, 285305, 291940, 399427, 408716, 510895, 570610, 627671, 798854, 1021790, 1141220, 1255342, 1597708, 1997135, 2043580, 2510684, 3138355, 3994270, 4393697, 6276710, 7988540, 8787394, 12553420, 17574788, 21968485, 43936970, 87873940]

約数ペア:

[(1, 87873940), (2, 43936970), (4, 21968485), (5, 17574788), (7, 12553420), (10, 8787394), (11, 7988540), (14, 6276710), (20, 4393697), (22, 3994270), (28, 3138355), (35, 2510684), (43, 2043580), (44, 1997135), (55, 1597708), (70, 1255342), (77, 1141220), (86, 1021790), (110, 798854), (140, 627671), (154, 570610), (172, 510895), (215, 408716), (220, 399427), (301, 291940), (308, 285305), (385, 228244), (430, 204358), (473, 185780), (602, 145970), (770, 114122), (860, 102179), (946, 92890), (1204, 72985), (1327, 66220), (1505, 58388), (1540, 57061), (1892, 46445), (2365, 37156), (2654, 33110), (3010, 29194), (3311, 26540), (4730, 18578), (5308, 16555), (6020, 14597), (6622, 13270), (6635, 13244), (9289, 9460)]