22140440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 35401960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 739, 749, 856, 1070, 1478, 1498, 2140, 2956, 2996, 3695, 3745, 4280, 5173, 5912, 5992, 7390, 7490, 10346, 14780, 14980, 20692, 25865, 29560, 29960, 41384, 51730, 79073, 103460, 158146, 206920, 316292, 395365, 553511, 632584, 790730, 1107022, 1581460, 2214044, 2767555, 3162920, 4428088, 5535110, 11070220, 22140440]

約数ペア:

[(1, 22140440), (2, 11070220), (4, 5535110), (5, 4428088), (7, 3162920), (8, 2767555), (10, 2214044), (14, 1581460), (20, 1107022), (28, 790730), (35, 632584), (40, 553511), (56, 395365), (70, 316292), (107, 206920), (140, 158146), (214, 103460), (280, 79073), (428, 51730), (535, 41384), (739, 29960), (749, 29560), (856, 25865), (1070, 20692), (1478, 14980), (1498, 14780), (2140, 10346), (2956, 7490), (2996, 7390), (3695, 5992), (3745, 5912), (4280, 5173)]