28200940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 63705600

約数和(自身を除く): 35504660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1579, 1786, 3158, 3572, 4465, 6316, 7895, 8930, 15790, 17860, 30001, 31580, 60002, 74213, 120004, 148426, 150005, 296852, 300010, 371065, 600020, 742130, 1410047, 1484260, 2820094, 5640188, 7050235, 14100470, 28200940]

約数ペア:

[(1, 28200940), (2, 14100470), (4, 7050235), (5, 5640188), (10, 2820094), (19, 1484260), (20, 1410047), (38, 742130), (47, 600020), (76, 371065), (94, 300010), (95, 296852), (188, 150005), (190, 148426), (235, 120004), (380, 74213), (470, 60002), (893, 31580), (940, 30001), (1579, 17860), (1786, 15790), (3158, 8930), (3572, 7895), (4465, 6316)]