71603950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1413

約数の個数: 48

約数和(自身を含む): 146843280

約数和(自身を除く): 75239330

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 505, 550, 1010, 1111, 1289, 2222, 2525, 2578, 5050, 5555, 6445, 11110, 12890, 14179, 27775, 28358, 32225, 55550, 64450, 70895, 130189, 141790, 260378, 354475, 650945, 708950, 1301890, 1432079, 2864158, 3254725, 6509450, 7160395, 14320790, 35801975, 71603950]

約数ペア:

[(1, 71603950), (2, 35801975), (5, 14320790), (10, 7160395), (11, 6509450), (22, 3254725), (25, 2864158), (50, 1432079), (55, 1301890), (101, 708950), (110, 650945), (202, 354475), (275, 260378), (505, 141790), (550, 130189), (1010, 70895), (1111, 64450), (1289, 55550), (2222, 32225), (2525, 28358), (2578, 27775), (5050, 14179), (5555, 12890), (6445, 11110)]