2288440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 6428160

約数和(自身を除く): 4139720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 743, 770, 1486, 1540, 2972, 3080, 3715, 5201, 5944, 7430, 8173, 10402, 14860, 16346, 20804, 26005, 29720, 32692, 40865, 41608, 52010, 57211, 65384, 81730, 104020, 114422, 163460, 208040, 228844, 286055, 326920, 457688, 572110, 1144220, 2288440]

約数ペア:

[(1, 2288440), (2, 1144220), (4, 572110), (5, 457688), (7, 326920), (8, 286055), (10, 228844), (11, 208040), (14, 163460), (20, 114422), (22, 104020), (28, 81730), (35, 65384), (40, 57211), (44, 52010), (55, 41608), (56, 40865), (70, 32692), (77, 29720), (88, 26005), (110, 20804), (140, 16346), (154, 14860), (220, 10402), (280, 8173), (308, 7430), (385, 5944), (440, 5201), (616, 3715), (743, 3080), (770, 2972), (1486, 1540)]