61754380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 132826176

約数和(自身を除く): 71071796

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 277, 284, 314, 355, 554, 628, 710, 785, 1108, 1385, 1420, 1570, 2770, 3140, 5540, 11147, 19667, 22294, 39334, 43489, 44588, 55735, 78668, 86978, 98335, 111470, 173956, 196670, 217445, 222940, 393340, 434890, 869780, 3087719, 6175438, 12350876, 15438595, 30877190, 61754380]

約数ペア:

[(1, 61754380), (2, 30877190), (4, 15438595), (5, 12350876), (10, 6175438), (20, 3087719), (71, 869780), (142, 434890), (157, 393340), (277, 222940), (284, 217445), (314, 196670), (355, 173956), (554, 111470), (628, 98335), (710, 86978), (785, 78668), (1108, 55735), (1385, 44588), (1420, 43489), (1570, 39334), (2770, 22294), (3140, 19667), (5540, 11147)]