1409274220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1\times {\mathrm{1117}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 2986401600

約数和(自身を除く): 1577127380

約数列:

[1, 2, 4, 5, 10, 20, 199, 317, 398, 634, 796, 995, 1117, 1268, 1585, 1990, 2234, 3170, 3980, 4468, 5585, 6340, 11170, 22340, 63083, 126166, 222283, 252332, 315415, 354089, 444566, 630830, 708178, 889132, 1111415, 1261660, 1416356, 1770445, 2222830, 3540890, 4445660, 7081780, 70463711, 140927422, 281854844, 352318555, 704637110, 1409274220]

約数ペア:

[(1, 1409274220), (2, 704637110), (4, 352318555), (5, 281854844), (10, 140927422), (20, 70463711), (199, 7081780), (317, 4445660), (398, 3540890), (634, 2222830), (796, 1770445), (995, 1416356), (1117, 1261660), (1268, 1111415), (1585, 889132), (1990, 708178), (2234, 630830), (3170, 444566), (3980, 354089), (4468, 315415), (5585, 252332), (6340, 222283), (11170, 126166), (22340, 63083)]