220888930

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 405978480

約数和(自身を除く): 185089550

約数列:

[1, 2, 5, 10, 61, 122, 257, 305, 514, 610, 1285, 1409, 2570, 2818, 7045, 14090, 15677, 31354, 78385, 85949, 156770, 171898, 362113, 429745, 724226, 859490, 1810565, 3621130, 22088893, 44177786, 110444465, 220888930]

約数ペア:

[(1, 220888930), (2, 110444465), (5, 44177786), (10, 22088893), (61, 3621130), (122, 1810565), (257, 859490), (305, 724226), (514, 429745), (610, 362113), (1285, 171898), (1409, 156770), (2570, 85949), (2818, 78385), (7045, 31354), (14090, 15677)]