914168780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89449}}^1$

素因数の和:89538

約数の個数: 48

約数和(自身を含む): 2224084800

約数和(自身を除く): 1309916020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 89449, 178898, 357796, 447245, 626143, 894490, 1252286, 1788980, 2504572, 3130715, 6261430, 6529777, 12522860, 13059554, 26119108, 32648885, 45708439, 65297770, 91416878, 130595540, 182833756, 228542195, 457084390, 914168780]

約数ペア:

[(1, 914168780), (2, 457084390), (4, 228542195), (5, 182833756), (7, 130595540), (10, 91416878), (14, 65297770), (20, 45708439), (28, 32648885), (35, 26119108), (70, 13059554), (73, 12522860), (140, 6529777), (146, 6261430), (292, 3130715), (365, 2504572), (511, 1788980), (730, 1252286), (1022, 894490), (1460, 626143), (2044, 447245), (2555, 357796), (5110, 178898), (10220, 89449)]