56908900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 130616640

約数和(自身を除く): 73707740

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 109, 115, 218, 227, 230, 436, 454, 460, 545, 575, 908, 1090, 1135, 1150, 2180, 2270, 2300, 2507, 2725, 4540, 5014, 5221, 5450, 5675, 10028, 10442, 10900, 11350, 12535, 20884, 22700, 24743, 25070, 26105, 49486, 50140, 52210, 62675, 98972, 104420, 123715, 125350, 130525, 247430, 250700, 261050, 494860, 522100, 569089, 618575, 1138178, 1237150, 2276356, 2474300, 2845445, 5690890, 11381780, 14227225, 28454450, 56908900]

約数ペア:

[(1, 56908900), (2, 28454450), (4, 14227225), (5, 11381780), (10, 5690890), (20, 2845445), (23, 2474300), (25, 2276356), (46, 1237150), (50, 1138178), (92, 618575), (100, 569089), (109, 522100), (115, 494860), (218, 261050), (227, 250700), (230, 247430), (436, 130525), (454, 125350), (460, 123715), (545, 104420), (575, 98972), (908, 62675), (1090, 52210), (1135, 50140), (1150, 49486), (2180, 26105), (2270, 25070), (2300, 24743), (2507, 22700), (2725, 20884), (4540, 12535), (5014, 11350), (5221, 10900), (5450, 10442), (5675, 10028)]