53798920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{709}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 139046400

約数和(自身を除く): 85247480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 709, 1084, 1355, 1418, 1897, 2168, 2710, 2836, 3545, 3794, 4963, 5420, 5672, 7090, 7588, 9485, 9926, 10840, 14180, 15176, 18970, 19852, 24815, 28360, 37940, 39704, 49630, 75880, 99260, 192139, 198520, 384278, 768556, 960695, 1344973, 1537112, 1921390, 2689946, 3842780, 5379892, 6724865, 7685560, 10759784, 13449730, 26899460, 53798920]

約数ペア:

[(1, 53798920), (2, 26899460), (4, 13449730), (5, 10759784), (7, 7685560), (8, 6724865), (10, 5379892), (14, 3842780), (20, 2689946), (28, 1921390), (35, 1537112), (40, 1344973), (56, 960695), (70, 768556), (140, 384278), (271, 198520), (280, 192139), (542, 99260), (709, 75880), (1084, 49630), (1355, 39704), (1418, 37940), (1897, 28360), (2168, 24815), (2710, 19852), (2836, 18970), (3545, 15176), (3794, 14180), (4963, 10840), (5420, 9926), (5672, 9485), (7090, 7588)]