151919890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 279267840

約数和(自身を除く): 127347950

約数列:

[1, 2, 5, 10, 61, 122, 271, 305, 542, 610, 919, 1355, 1838, 2710, 4595, 9190, 16531, 33062, 56059, 82655, 112118, 165310, 249049, 280295, 498098, 560590, 1245245, 2490490, 15191989, 30383978, 75959945, 151919890]

約数ペア:

[(1, 151919890), (2, 75959945), (5, 30383978), (10, 15191989), (61, 2490490), (122, 1245245), (271, 560590), (305, 498098), (542, 280295), (610, 249049), (919, 165310), (1355, 112118), (1838, 82655), (2710, 56059), (4595, 33062), (9190, 16531)]