90782780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{953}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 208674144

約数和(自身を除く): 117891364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 433, 866, 953, 1732, 1906, 2165, 3812, 4330, 4763, 4765, 8660, 9526, 9530, 10483, 19052, 19060, 20966, 23815, 41932, 47630, 52415, 95260, 104830, 209660, 412649, 825298, 1650596, 2063245, 4126490, 4539139, 8252980, 9078278, 18156556, 22695695, 45391390, 90782780]

約数ペア:

[(1, 90782780), (2, 45391390), (4, 22695695), (5, 18156556), (10, 9078278), (11, 8252980), (20, 4539139), (22, 4126490), (44, 2063245), (55, 1650596), (110, 825298), (220, 412649), (433, 209660), (866, 104830), (953, 95260), (1732, 52415), (1906, 47630), (2165, 41932), (3812, 23815), (4330, 20966), (4763, 19060), (4765, 19052), (8660, 10483), (9526, 9530)]