228601520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{408217}}^1$

素因数の和:408237

約数の個数: 40

約数和(自身を含む): 607428384

約数和(自身を除く): 378826864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 408217, 816434, 1632868, 2041085, 2857519, 3265736, 4082170, 5715038, 6531472, 8164340, 11430076, 14287595, 16328680, 22860152, 28575190, 32657360, 45720304, 57150380, 114300760, 228601520]

約数ペア:

[(1, 228601520), (2, 114300760), (4, 57150380), (5, 45720304), (7, 32657360), (8, 28575190), (10, 22860152), (14, 16328680), (16, 14287595), (20, 11430076), (28, 8164340), (35, 6531472), (40, 5715038), (56, 4082170), (70, 3265736), (80, 2857519), (112, 2041085), (140, 1632868), (280, 816434), (560, 408217)]