55309940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 140797440

約数和(自身を除く): 85487500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 193, 230, 322, 356, 386, 445, 460, 623, 644, 772, 805, 890, 965, 1246, 1351, 1610, 1780, 1930, 2047, 2492, 2702, 3115, 3220, 3860, 4094, 4439, 5404, 6230, 6755, 8188, 8878, 10235, 12460, 13510, 14329, 17177, 17756, 20470, 22195, 27020, 28658, 31073, 34354, 40940, 44390, 57316, 62146, 68708, 71645, 85885, 88780, 120239, 124292, 143290, 155365, 171770, 240478, 286580, 310730, 343540, 395071, 480956, 601195, 621460, 790142, 1202390, 1580284, 1975355, 2404780, 2765497, 3950710, 5530994, 7901420, 11061988, 13827485, 27654970, 55309940]

約数ペア:

[(1, 55309940), (2, 27654970), (4, 13827485), (5, 11061988), (7, 7901420), (10, 5530994), (14, 3950710), (20, 2765497), (23, 2404780), (28, 1975355), (35, 1580284), (46, 1202390), (70, 790142), (89, 621460), (92, 601195), (115, 480956), (140, 395071), (161, 343540), (178, 310730), (193, 286580), (230, 240478), (322, 171770), (356, 155365), (386, 143290), (445, 124292), (460, 120239), (623, 88780), (644, 85885), (772, 71645), (805, 68708), (890, 62146), (965, 57316), (1246, 44390), (1351, 40940), (1610, 34354), (1780, 31073), (1930, 28658), (2047, 27020), (2492, 22195), (2702, 20470), (3115, 17756), (3220, 17177), (3860, 14329), (4094, 13510), (4439, 12460), (5404, 10235), (6230, 8878), (6755, 8188)]