2780990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 5249664

約数和(自身を除く): 2468674

約数列:

[1, 2, 5, 10, 47, 61, 94, 97, 122, 194, 235, 305, 470, 485, 610, 970, 2867, 4559, 5734, 5917, 9118, 11834, 14335, 22795, 28670, 29585, 45590, 59170, 278099, 556198, 1390495, 2780990]

約数ペア:

[(1, 2780990), (2, 1390495), (5, 556198), (10, 278099), (47, 59170), (61, 45590), (94, 29585), (97, 28670), (122, 22795), (194, 14335), (235, 11834), (305, 9118), (470, 5917), (485, 5734), (610, 4559), (970, 2867)]