199964300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 455970816

約数和(自身を除く): 256006516

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 227, 230, 383, 454, 460, 575, 766, 908, 1135, 1150, 1532, 1915, 2270, 2300, 3830, 4540, 5221, 5675, 7660, 8809, 9575, 10442, 11350, 17618, 19150, 20884, 22700, 26105, 35236, 38300, 44045, 52210, 86941, 88090, 104420, 130525, 173882, 176180, 220225, 261050, 347764, 434705, 440450, 522100, 869410, 880900, 1738820, 1999643, 2173525, 3999286, 4347050, 7998572, 8694100, 9998215, 19996430, 39992860, 49991075, 99982150, 199964300]

約数ペア:

[(1, 199964300), (2, 99982150), (4, 49991075), (5, 39992860), (10, 19996430), (20, 9998215), (23, 8694100), (25, 7998572), (46, 4347050), (50, 3999286), (92, 2173525), (100, 1999643), (115, 1738820), (227, 880900), (230, 869410), (383, 522100), (454, 440450), (460, 434705), (575, 347764), (766, 261050), (908, 220225), (1135, 176180), (1150, 173882), (1532, 130525), (1915, 104420), (2270, 88090), (2300, 86941), (3830, 52210), (4540, 44045), (5221, 38300), (5675, 35236), (7660, 26105), (8809, 22700), (9575, 20884), (10442, 19150), (11350, 17618)]