419680

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 1031184

約数和(自身を除く): 611504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 80, 86, 122, 160, 172, 215, 244, 305, 344, 430, 488, 610, 688, 860, 976, 1220, 1376, 1720, 1952, 2440, 2623, 3440, 4880, 5246, 6880, 9760, 10492, 13115, 20984, 26230, 41968, 52460, 83936, 104920, 209840, 419680]

約数ペア:

[(1, 419680), (2, 209840), (4, 104920), (5, 83936), (8, 52460), (10, 41968), (16, 26230), (20, 20984), (32, 13115), (40, 10492), (43, 9760), (61, 6880), (80, 5246), (86, 4880), (122, 3440), (160, 2623), (172, 2440), (215, 1952), (244, 1720), (305, 1376), (344, 1220), (430, 976), (488, 860), (610, 688)]