155909660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 335180160

約数和(自身を除く): 179270500

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 395, 404, 505, 790, 977, 1010, 1580, 1954, 2020, 3908, 4885, 7979, 9770, 15958, 19540, 31916, 39895, 77183, 79790, 98677, 154366, 159580, 197354, 308732, 385915, 394708, 493385, 771830, 986770, 1543660, 1973540, 7795483, 15590966, 31181932, 38977415, 77954830, 155909660]

約数ペア:

[(1, 155909660), (2, 77954830), (4, 38977415), (5, 31181932), (10, 15590966), (20, 7795483), (79, 1973540), (101, 1543660), (158, 986770), (202, 771830), (316, 493385), (395, 394708), (404, 385915), (505, 308732), (790, 197354), (977, 159580), (1010, 154366), (1580, 98677), (1954, 79790), (2020, 77183), (3908, 39895), (4885, 31916), (7979, 19540), (9770, 15958)]