217887040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:696

約数の個数: 112

約数和(自身を含む): 597066624

約数和(自身を除く): 379179584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 211, 224, 280, 320, 422, 448, 461, 560, 844, 922, 1055, 1120, 1477, 1688, 1844, 2110, 2240, 2305, 2954, 3227, 3376, 3688, 4220, 4610, 5908, 6454, 6752, 7376, 7385, 8440, 9220, 11816, 12908, 13504, 14752, 14770, 16135, 16880, 18440, 23632, 25816, 29504, 29540, 32270, 33760, 36880, 47264, 51632, 59080, 64540, 67520, 73760, 94528, 97271, 103264, 118160, 129080, 147520, 194542, 206528, 236320, 258160, 389084, 472640, 486355, 516320, 680897, 778168, 972710, 1032640, 1361794, 1556336, 1945420, 2723588, 3112672, 3404485, 3890840, 5447176, 6225344, 6808970, 7781680, 10894352, 13617940, 15563360, 21788704, 27235880, 31126720, 43577408, 54471760, 108943520, 217887040]

約数ペア:

[(1, 217887040), (2, 108943520), (4, 54471760), (5, 43577408), (7, 31126720), (8, 27235880), (10, 21788704), (14, 15563360), (16, 13617940), (20, 10894352), (28, 7781680), (32, 6808970), (35, 6225344), (40, 5447176), (56, 3890840), (64, 3404485), (70, 3112672), (80, 2723588), (112, 1945420), (140, 1556336), (160, 1361794), (211, 1032640), (224, 972710), (280, 778168), (320, 680897), (422, 516320), (448, 486355), (461, 472640), (560, 389084), (844, 258160), (922, 236320), (1055, 206528), (1120, 194542), (1477, 147520), (1688, 129080), (1844, 118160), (2110, 103264), (2240, 97271), (2305, 94528), (2954, 73760), (3227, 67520), (3376, 64540), (3688, 59080), (4220, 51632), (4610, 47264), (5908, 36880), (6454, 33760), (6752, 32270), (7376, 29540), (7385, 29504), (8440, 25816), (9220, 23632), (11816, 18440), (12908, 16880), (13504, 16135), (14752, 14770)]