159574780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{941}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 343415520

約数和(自身を除く): 183840740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 244, 278, 305, 556, 610, 695, 941, 1220, 1390, 1882, 2780, 3764, 4705, 8479, 9410, 16958, 18820, 33916, 42395, 57401, 84790, 114802, 130799, 169580, 229604, 261598, 287005, 523196, 574010, 653995, 1148020, 1307990, 2615980, 7978739, 15957478, 31914956, 39893695, 79787390, 159574780]

約数ペア:

[(1, 159574780), (2, 79787390), (4, 39893695), (5, 31914956), (10, 15957478), (20, 7978739), (61, 2615980), (122, 1307990), (139, 1148020), (244, 653995), (278, 574010), (305, 523196), (556, 287005), (610, 261598), (695, 229604), (941, 169580), (1220, 130799), (1390, 114802), (1882, 84790), (2780, 57401), (3764, 42395), (4705, 33916), (8479, 18820), (9410, 16958)]