54788971780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{251857}}^1$

素因数の和:252088

約数の個数: 48

約数和(自身を含む): 117416199600

約数和(自身を除く): 62627227820

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 292, 298, 365, 596, 730, 745, 1460, 1490, 2980, 10877, 21754, 43508, 54385, 108770, 217540, 251857, 503714, 1007428, 1259285, 2518570, 5037140, 18385561, 36771122, 37526693, 73542244, 75053386, 91927805, 150106772, 183855610, 187633465, 367711220, 375266930, 750533860, 2739448589, 5478897178, 10957794356, 13697242945, 27394485890, 54788971780]

約数ペア:

[(1, 54788971780), (2, 27394485890), (4, 13697242945), (5, 10957794356), (10, 5478897178), (20, 2739448589), (73, 750533860), (146, 375266930), (149, 367711220), (292, 187633465), (298, 183855610), (365, 150106772), (596, 91927805), (730, 75053386), (745, 73542244), (1460, 37526693), (1490, 36771122), (2980, 18385561), (10877, 5037140), (21754, 2518570), (43508, 1259285), (54385, 1007428), (108770, 503714), (217540, 251857)]