1408899520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{628973}}^1$

素因数の和:628997

約数の個数: 56

約数和(自身を含む): 3834225504

約数和(自身を除く): 2425325984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 628973, 1257946, 2515892, 3144865, 4402811, 5031784, 6289730, 8805622, 10063568, 12579460, 17611244, 20127136, 22014055, 25158920, 35222488, 40254272, 44028110, 50317840, 70444976, 88056220, 100635680, 140889952, 176112440, 201271360, 281779904, 352224880, 704449760, 1408899520]

約数ペア:

[(1, 1408899520), (2, 704449760), (4, 352224880), (5, 281779904), (7, 201271360), (8, 176112440), (10, 140889952), (14, 100635680), (16, 88056220), (20, 70444976), (28, 50317840), (32, 44028110), (35, 40254272), (40, 35222488), (56, 25158920), (64, 22014055), (70, 20127136), (80, 17611244), (112, 12579460), (140, 10063568), (160, 8805622), (224, 6289730), (280, 5031784), (320, 4402811), (448, 3144865), (560, 2515892), (1120, 1257946), (2240, 628973)]